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How To Cite References - Chicago Style
Updated February 2008 Contents
Citation Within The TextThese guidelines follow the principles, and rely upon the examples, where possible, given in the Chicago Manual of Style (2003). This manual constitutes the authoritative international guide to publication standards and style. The Chicago style, when referring to a source of information within the text of a document, in its simplest form, gives a short citation consisting of the name of the author (or authors) and the date of publication. The full details of the source are given in a reference list at the end of the document. The short, in text references are given wholly or partly in parentheses (round brackets). Generally use only the family name of the author, followed by the year of publication and any relevant page numbers. No distinction is made between books, journal articles, web documents or other formats. For example, a reference to a book appearing in the text as (Ogilvie 1998, 26-28) would be found in the reference list in the following form: Ogilvie, Timothy H. 1998. Large Animal Internal Medicine. Baltimore, Maryland: Williams and Wilkins. A reference to a journal article appearing in the text as (Morgan & Thompson 1998, 243) would be referenced in the reference list at the end of an assignment as: Morgan, U. M., and R.C. A. Thompson. 1998. PCR Detection of Cryptosporidium - The Way Forward. Parasitology Today 14 (6): 241-245. A reference to an electronic document would be cited in the text in the same way as a print document. In this example, the internet document by Raidal & Dunsmore (1996, 13) would be cited in the reference list as: Raidal, Shane R., and Jon Dunsmore. 1996. Parasites of Companion Birds: A Survey of Alimentary Tract Parasites in Caged Psittacine Birds with Specific Reference to the Prevalence of Trichomonas Gallinae. http://wwwvet.murdoch.edu.au/caf/parasit.htm (accessed July 14, 1998). There are two options for in text references. Firstly, the reference can be placed at the end of the sentence wholly in parentheses. Alternatively, the author's name may be integrated into the text, and just the date and additional information placed within the brackets. See examples of both of these options in the next section below. Citation within the text - Print DocumentsThere are four common methods of referring to a source document in the text of an essay, thesis or assignment. These methods are: 1. Quoting Short quotes Longer quotes In general, avoid using too many long quotes and remember to introduce or integrate quotations smoothly into the rest of your assignment. You may choose to indent a larger block of quoted text. Such blocks of quoted texts usually consist of more than one sentence or more than 40 words. Blocks of quoted texts should be indented from the left margin only, single spaced and may be one point smaller than the standard font size. Example - Wider applications are increasingly being found for many drugs such as invermectin. For example, Crump (2006, 53) confirms that:Ivermectin - already used extensively in animal health and in eliminating onchocerciasis and lymphatic filariasis, two of the most disfiguring and deleterious human diseases - is now being used commercially for the treatment of strongyloidiasis, mites and scabies. 2. Paraphrasing Original - "Named for James Brady, the White House press secretary who was shot and wounded by John Hinckley Jr. during the attempted assassination of President Ronald Reagan in March 1981, the Brady Bill establishes a national waiting period and background check for the purchase of a handgun" (Bender 1995, 137). Paraphrase - Bender (1995) explains that the introduction of a waiting period and a background check for people buying handguns in the US, is due to the Brady Bill. The bill was named after White House aide James Brady, who was wounded during an assassination attempt on President Reagan (137). 3. Summarising Original - "At a typical football match we are likely to see players committing deliberate fouls, often behind the referee's back. They might try to take a throw-in or a free kick from an incorrect but more advantageous positions in defiance of the clearly stated rules of the game. They sometimes challenge the rulings of the referee or linesmen in an offensive way which often deserves exemplary punishment or even sending off. No wonder spectators fight amongst themselves, damage stadiums, or take the law into their own hands by invading the pitch in the hope of affecting the outcome of the match" (Mantex 1999, 1-2). Summary - Unsportsmanlike behaviour by footballers may inspire hooliganism among spectators (Mantex 1999, 1-2). In this example, a longer paragraph of approximately 100 words is reduced to a short sentence of nine words.
4. Citing the Whole of a Document
Citation within the text - Print Documents - Some more examplesTwo or three authors Simmons and Green (1987, 26) were unable … OR More than three authors This is the citation for a work by Forman, Jones, Witham and Gonzales. Only the surname of the first listed author is used, followed either by "and others" or more commonly in science "et al.". Although "et al." is a Latin phrase, in Chicago style it is not italicised. Please note that all authors' names are listed in the Reference List or Bibliography. Page numbers and volume numbers included For multivolume publications include the date, then a comma, followed by the volume number, then a colon and the page number(s). Authors with the same surname Make a distinction between them by including the authors' initials. Place the initials before the family name. Multiple works by the same author in the same year A distinction is made in by adding lower case letters, a, b, c, etc. to the date. These letters are included in the full reference in the Reference List to distinguish between the two documents. Corporate author These are works without a personal author. Corporate authors may be associations, agencies like government departments or agencies, corporations or organisations. These names may be abbreviated in the text if the abbreviation is meaningful or well known. More than one work cited No author When a work has no author or the author is anonymous, cite in-text the first few words of the reference list entry (usually the title) and the year. Use italics for the title. No date of publication Newspapers
If there is no author given, cite the newspaper title in italics.
Include the specific date as well as year and page or section numbers if
appropriate. Citation within the text - Electronic DocumentsDocuments published in electronic formats are cited in the same way as print documents. If the electronic document has an author and date of publication, use these for the in-text citation. The full description of the document (including its electronic source data) will be given in the reference list or bibliography at the end of your essay or assignment. If page numbers are not given, use paragraph or other section numbers if you need to be specific. If there is no author or date, follow the guidelines above for print resources. Electronic books Pretty, Jules N. 1995. Regenerating Agriculture: Policies and Practice for Sustainability and Self-Reliance. Washington DC: Joseph Henry Press. http://www.nap.edu/books/0309052467/html/index.html (accessed June 12, 2006). could be cited in the text of an assignment as Pretty (1995, 262-264) or (Pretty 1995, 262-264). Electronic journals Fitzgerald, Greg. 1999. The GST and Electronic Commerce in Australia. E Law 6(3): 6+. http://www.murdoch.edu.au/elaw/issues/v6n3/fitzgerald63.txt (accessed June 30, 2001). could be cited in the text of an assignment as Fitzgerald (1999, 7) or (Fitzgerald 1999, 7). Internet sites Raidal, Shane R., and Jon Dunsmore. 1996. Parasites of Companion Birds: A Survey of Alimentary Tract Parasites in Caged Psittacine Birds with Specific Reference to the Prevalence of Trichomonas Gallinae. http://wwwvet.murdoch.edu.au/caf/parasit.htm (accessed July 14, 1998). could be cited in the text of an assignment as Raidal & Dunsmore (1996, 13) or (Raidal & Dunsmore 1996, 13). The internet document listed in a reference list as: Australian Bureau of Statistics. 2000. Livestock Products, Australia, March Quarter, Cat. no. 7215.0, AusStats. http://www.abs.gov.au/ausstats (accessed July 28, 2000). could be cited in the text of an assignment as the Australian Bureau of Statistics (2000, sec. 3, par. 2) or (Australian Bureau of Statistics 2000, sec. 3, par. 2). No Page Numbers Use a paragraph number if no page numbers are present No Author, Date or Title Kidspsych (http://www.kidspsych.org) is a wonderful interactive Internet site for children. To direct readers to an entire internet site (but not a specific document on the site), it is sufficient to give the address of the site in the text. Make sure the internet address you provide is current and links to the site. Remember that internet addresses may change. Note: information from an internet page with such limited publication details may not be appropriate to include in academic research. All internet resources should be evaluated carefully. Criteria for evaluating internet sites include:
Citation within the text - Personal CommunicationsPersonal communications include conversations, interviews, unsourced lecture material, telephone conversations, letters and e-mail messages. These materials are unpublished and are not included in reference lists or bibliographies. They are not given formal parenthical references in the text of an essay or assignment, instead references to this form of material are usually run into the text.
In a telephone conversation with the author on October 12, 2005, Dr J. W. Mueller stated that ... The Reference List or BibliographyAll documents cited in your assignment are listed in a single alphabetical list at the end of the assignment. The list is arranged by the author's family name or title if no author is present. The authors' names are given as they appear on the publication you have used. Capitalisation practice also should be consistent. Titles are given maximal capitalisation. All words other than prepositions, conjunctions, and definite and indefinite articles (a, an, the) are capitalised. Journal and book titles are italicised or if handwritten underlined. Print DocumentsBooks
Single author Two authors or editors Three or more authors or editors No author No Date of publication Edited translation (where role of editor or translator is of chief
importance) Translation Two or more books by the same author published in the same year Gilbert, Sandra M. 1972b. Emily's Bread: Poems. New York: Norton. Multivolume work Thesis or Dissertation Please note: do not use italics or capitalise the title of an unpublished document.
Entry in an encyclopaedia/dictionary Example: "In his article on multiculturalism in the 2003 edition of The Oxford Companion to Australian History, John Lack ...." These items are not then listed in a bibliography or reference list (Chicago Manual of Style, sec. 17.238). Conference (complete conference proceedings with editors) Organisation Government publication Government Departments Western Australia. Environmental Protection Authority. 1998. Industrial Infrastructure and Harbour Development, Jervoise Bay. Bulletin 908. Perth: EPA. Please Note: Documents authored by government departments are most usefully cited following the jurisdiction they report to - i.e. precede the Department name with Australia, Western Australia, etc. For further information please refer to section 17.293 of the Chicago Manual of Style. Parts of a BookThese examples are for chapters or parts of edited works in which the chapters or parts have individual
title and author/s, but are included in collections or textbooks edited by others.
Article/chapter in a book Rapping, Elayne. 2004. Aliens, nomads, mad dogs, and road warriors: The changing face of criminal violence on TV. In Reality TV: Remaking Television Culture, ed. Susan Murray and Laurie Ouellette, 214-230. New York: New York University Press. Conference or Seminar Paper Study Guides and Unit Readers Mendes, Philip. 1988. Key principles of community work. Community Quarterly 47. Reprinted in Approaches to Community Development (COD125) Unit Reader 2004, 99-103. Murdoch: Murdoch University. Journal ArticlesProvide the following descriptive elements in the order given in the example below. Only the first word of the article title and proper nouns are capitalized. The issue number is given in parentheses, but is omitted if page numbers are continuous throughout a volume. The issue number is also unnecessary when a month or season precedes the year.
Journal article Allison, Gary W. 1999. The implications of experimental design for biodiversity manipulations. American Naturalist 153 (1): 26-45. Anonymous article Who will regulate the veterinary profession of the future? 2004. Veterinary Record 154: 450-451. Newspaper article Electronic DocumentsReferences to electronic publications begin with the same information that would be provided for a printed source. Additional information must be provided (depending on the type of electronic publication) to correctly identify that you accessed the document in an electronic format. An electronic publication could be an Internet site, an email, a journal article published on the Internet, or a journal article retrieved from one of the full text databases available from the Library. Some documents are published in both paper and electronic formats. Please cite according to the format you accessed. Be aware that pagination may not be specified for many online publications. The number of the starting page can be included in your citation if it is given, and/or the number of pages in the document. For example: p. 7+ or (5 pp.) The descriptive elements listed below may be a useful guide to what you need to record when citing an electronic document.
**If you are not sure whether the document you wish to cite is online, ask at the library Reference Desk. [Contents] E-BooksUse the descriptive elements listed in the example below to cite e-books. A URL is not required for items to which the Library subscribes.
Bass, Len, Paul Clements, and Rick Kazman. 2003. Software Architecture in Practice. 2nd ed. Reading MA: Addison Wesley. Safari e-book. Eckes, Thomas. 2000. The Developmental Social Psychology of Gender. Mahwah NJ: Lawrence Erlbaum. netLibrary e-book. Pretty, Jules N. 1995. Regenerating Agriculture: Policies and Practice for Sustainability and Self-Reliance. Washington DC: Joseph Henry Press. http://www.nap.edu/books/0309052467/html/index.html (accessed June 12, 2006). Parpart, Jane L., M. Patricia Connelly, and V. Eudine Barriteau, eds. 2000. Theoretical Perspectives on Gender and Development. Ottawa, Canada: International Development Research Centre. http://www.idrc.ca/en/ev-9419-201-1-DO_TOPIC.html (accessed May 21, 2005).
Article from an Electronic Encyclopaedia/Dictionary
[Contents] E-JournalsJournal article from full text database Note: When including the internet address, please use the Recommended URLs for Full-text Databases, which are the URLs for the main entrance to the service and are easier to reproduce. Use the descriptive elements listed in the example below to cite journal articles retrieved from the library's full text databases.
Mayor, Susan. 2000. Cloned calves are grown from cultured cells. British Medical Journal 320: 136+. ProQuest. http://il.proquest.com (accessed June 30, 2001). Stelljes, Kathryn Barry. 1994. Diagnosing the tough ones. Agricultural Research 42 (8): 4+. Academic OneFile. http://find.galegroup.com (accessed November 12, 1999). Newspaper article from full text database Journal article from the Internet
Fitzgerald, Greg. 1999. The GST and electronic commerce in Australia. E Law 6(3): 6+. http://www.murdoch.edu.au/elaw/issues/v6n3/fitzgerald63.txt (accessed June 30, 2001). Newspaper Article from Internet Internet DocumentsCite documents published on the internet according to the specific guidelines for the type of document. Books, plays, government reports and company annual reports are examples of documents that may be published on the Internet. Please note: If no author or editor is given, the title will precede the year of publication.
Whole Internet site Electronic document, no author Government publication (Australian Bureau of Statistics Bulletin) AusStats is an example of a full text database that offers data, in this case the full text of Australian Bureau of Statistics publications freely on the Internet. Government publication (Government Department) Non-Book Formats
Note: A performer or presenter is only given principal credit if they are the focus of the recording. PodcastsBrown, Warren, Keith Brodie, and Peter George. 2007. From Lake Baikal to the Halfway Mark, Yekaterinburg. Peking to Paris: Episode 3 podcast television programme. Sydney: ABC Television, June 4. http://www.abc.net.au/tv/pekingtoparis/podcast/pekingtoparis.xml (accessed February 4, 2008).Gary, Stuart. 2007. Black Hole Death Ray. StarStuff. podcast radio programme. Sydney: ABC News Radio, December 23. http://abc.net.au/newsradio/podcast/STARSTUFF.xml (accessed February 4, 2008). Other FormatsTelevision Programme DVD Video Recording Radio Programme Microform A Reference List : What It Should Look LikePlease note:
ReferencesAttenborough, David. 1990. Life on Earth: A Natural History. videorecording. Produced by Richard Brock and John Sparks. US: Warner Home Video. Australia. Department of Agriculture, Fisheries and Forestry. 2007. Biosecurity: Protect Your Animals and Produce from Pests and Disease. http://www.daffa.gov.au/animal-plant-health/pests-diseases-weeds/biosecurity (accessed September 13, 2007). Australian Bureau of Statistics. 2000. Livestock Products, Australia, March Quarter, Cat. no. 7215.0, AusStats. http://www.abs.gov.au/ausstats (accessed July 28, 2000). Bita, Natasha. 2006. Bird flu outbreaks may be hidden. The Australian, June 1: 3. http://www.theaustralian.com.au (accessed November 12, 2006). Bunny, F. 1995. Biology and ecology of Phytophthora citricola. In Native Plant Communities Affected By Mining. microfiche. East Perth, W.A.: MERIWA. Carneiro, P.C. F., S.M. Cirio, and M. Schorer. 2006. Pathological study of jundia fingerlings experimentally infected by ich and submitted to conventional treatments. Archives of Veterinary Science 11(1): 33-38. Castillo-Olivares, Javier, and James Wood. 2004. West Nile virus infection of horses. Veterinary Research 35: 467-483. Duncan, J. Robert, Keith W. Prasse, and Edward A. Mahaffey. 1994. Veterinary Laboratory Medicine: Clinical Pathology. 3rd ed. Ames, Iowa: Iowa State University Press. Fisher, Maggie. 1996. Guarding against Giardia. Vet On-Line: The International Journal of Veterinary Medicine 12 (1): 16-22. http://www.priory.com/vet.htm (accessed July 14, 1998). Foster, J. D., and A. G. Dickinson. 1988a. The unusual properties of CH1641, a sheep passaged isolate of Scrapie. Veterinary Record 123: 5-8. Foster, J. D., and A. G. Dickinson.1988b. Genetic control of Scrapie in Cheviot and Suffolk sheep. Veterinary Record 123: 159. Grubman, Marvin J. 2005. Development of novel strategies to control foot-and-mouth disease: Marker vaccines and antivirals. Biologicals 33: 237-244. ScienceDirect. http://www.sciencedirect.com/ (accessed Septmber 17, 2006). How to Cite References. 1996. Murdoch: Murdoch University Library. http://wwwlib.murdoch.edu.au/libinfo/gdes/refgdes/cite/cite.html (accessed July 14, 1998). Joshi, Nanda P., and Thomas H. Herdt, eds. 2006. Production Diseases in Farm Animals: 12th International Conference. Wageningen, The Netherlands: Wageningen Academic Publishers. Kaplan, Melissa. 2007. Melissa Kaplan's Herps and Zoonoses and Related Human Health Concerns. http://www.anapsid.org/mainzoonoses.html (accessed September 13, 2007). Kellems, Richard O., and D.C. Church. 2002. Livestock Feeds and Feeding. 5th ed. Upper Saddle River, NJ: Prentice Hall. Knipe, David M., and Peter M. Howley. 2007. Fields Virology. 5th ed. 2 Vols. Philadelphia: Wolters Kluwer Health/ Lippincott Williams & Wilkins. McMichael, Tony. 2005. Rise of deadly disease is a cultural thing. The Sydney Morning Herald, October 17: 11. Factiva. http://global.factiva.com (accessed September 10, 2007). Mendez, Torrance. 2007. Species on verge of extinction. The West Australian, September 14: 19. Nawa, Yukifumi,
Christoph Hatz, and Johannes Blum. 2005. Sushi delights and parasites: The risk of fishborne and foodborne
parasitic zoonoses in Asia. Clinical Infectious Diseases 41: 1297+. ProQuest.
http://il.proquest.com (accessed September 13, 2007).
Ogilvie,
Timothy H. 1998. Large Animal Internal Medicine.
Baltimore, Maryland: Williams and Wilkins. Phillips, Nyree Dale. 2006.
Diagnosis, molecular epidemiology and control of avian intestinal spirochaetosis. PhD diss., Murdoch University. Pretty, Jules N. 1995. Regenerating Agriculture: Policies and Practice for Sustainability and Self-Reliance. Washington DC:
Joseph Henry Press. http://www.nap.edu/books/0309052467/html/index.html (accessed June 12, 2006). Raidal,
Shane R., and Jon Dunsmore. 1996. Parasites of Companion Birds: A Survey of Alimentary Tract Parasites in
Caged Psittacine Birds with Specific Reference to the Prevalence of Trichomonas
Gallinae. http://wwwvet.murdoch.edu.au/caf/parasit.htm (accessed July
14, 1998). Rich, Robert R., ed. 2001.
Clinical Immunology: Principles and Practice. 2nd ed. Vol. 1. London: Mosby. Stelljes,
Kathryn Barry. 1994. Diagnosing the tough ones. Agricultural
Research 42 (8): 4+. Academic OneFile. http://find.galegroup.com
(accessed July 16, 1996). Thrusfield, M. V.
2005. Veterinary Epidemiology. 3rd ed. Oxford: Blackwell Science. Western Australia. Environmental
Protection Authority. 1998. Industrial Infrastructure and Harbour Development, Jervoise Bay. Bulletin 908. Perth: EPA. Wiens, J. A. 1983.
Avian community ecology: An iconoclastic view. In Perspectives in Ornithology, ed. A. H. Brush and
G. A. Clark, 355-403. Cambridge: Cambridge University Press. Standard abbreviations may be used in your citations. A list of appropriate abbreviations can be found in
Chicago Manual of Style (2003), p. 571-577. Some of the more often used examples are listed here. The Chicago Manual of Style. 2003. 15th ed., chap. 15-17. Chicago:
University of Chicago Press. Murdoch University. Library. 2001. How to Cite References. http://www.murdoch.edu.au/library/find/citation/
(accessed January 15, 2006). |
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