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Chicago Style - Quick Guide: Author-Date System

Books

Single Author/Editor
Author
Reference List:
Hassett, Constance W. 2005. Christina Rossetti: The Patience of Style. Charlottesville: University of Virginia Press.
In Text Citation:
(Hassett 2005, 56-70)

Editor
Reference List:
Kent, David A., ed. 1987. The Achievement of Christina Rossetti. Ithaca: Cornell University Press.
In Text Citation:
(Kent 1987, 84-89)

Multiple Authors

Two Authors
Reference List:
Smith, Andrew, and William Hughes. 2014. The Victorian Gothic: An Endinburgh Companion:
      Edinburgh: Edinburgh University Press.
In Text Citation:
(Smith and Hughes 2014, 64)

 More Than Two Authors

Three authors:
Reference List:
Brown, Jean E., Elaine C. Stephens, and Janet E. Rubin. 1997. Images From the Holocaust:
      A Literature Anthology
. Lincolnwood, IL: NTC Publishing Group.
In Text Citation:
(Brown, Stephens, and Rubin 1997, 300-310)

Four or more authors:
Reference list:
Include all of the authors in the same way three authors are referenced.
De Salles, Antonio A.F., Alessandra Gorgulho, Nzhde Agazaryan, Ben Slotman,
     Michael Selch, Aaaron J. Burwick, and Raymond Schulz, eds. 2011. Shaped Beam
     Radiosurgery: State of the Art
. New York: Springer.
In Text Citation:
List only the first author; use et al to refer to the rest.
(De Salles et al. 2011, 200-220)

Electronic Books

Except for the addition of format or access information, ebooks are referenced and cited in the same manner as print books.

Books from a Library or Bookseller

Tartt, Donna. 2013. The Goldfinch. New York: Little, Brown and Company. Kindle Edition.
Elam, Harry. 2006. Past as Present in the Drama of August Wilson. Ann Arbor: University of
     Michigan Press. PDF e-book.

Books from Other Online Sources

Include the doi, if available, or the url. Turabian also allows inclusion of an access date and the name of a library database:

Elam, Harry. 2006. Past as Present in the Drama of August Wilson. Ann Arbor: University of
      Michigan Press. Accessed February 12, 2015. ProQuest ebrary.

Schinazi, Rinaldo B. 2014. Classical and Spatial Stochastic Processes: With Applications to Biology.
     New York: Springer. doi:10.1007/978-1-4939-1869-0.

Lavery, David, and Cynthia Burkhead, eds. 2011. Josss Whedon: Conversations.
      Jackson: Universityof Mississippi Press. http://www.jstor.org/stable/j.ctt2tv8t7

Articles

For online articles, the Chicago Manual of Style recommends including an access date only if your discipline requires one. Examples in Turabian all include an access date. It goes before the doi or url.

Example:
Hass, Nancy. 2012. "Hysteria on Main Street." Newsweek. February 20.
     Accessed February 11, 2015. http://search.ebscohost.com
     /login.aspx?direct=true&db=mih&AN=71766981&site=eds-live

Academic Journal

Reference List:
Wetzstein, Irmgard, Verena Grubmüller-Régent, Katharina Götsch, and Karin Rainer. 2014.
     "Crises and Social Media: A Metastudy on Pertinent Research and Practice." Human
     Technology 
30, no. 2: 95-124.
Electronic Version:
Wetzstein, Irmgard, Verena Grubmüller-Régent, Katharina Götsch, and Karin Rainer. 2014.
     "Crises and Social Media: A Metastudy on Pertinent Research and Practice." Human
     Technology 
30, no. 2: 95-124. doi:10.17011/ht/urn.201411203312
In Text Citation:
(Wetzstein, et al. 2014, 95-96)

Magazine Article

Reference List:
Hass, Nancy. 2012. "Hysteria on Main Street." Newsweek. February 20.
Electronic Version:
Hass, Nancy. 2012. "Hysteria on Main Street." Newsweek. February 20.
      http://search.ebscohost.com/
In Text Citation:
(Hass 2012)

Newspaper Article

Reference List: usually, when using the Chicago Style, it is not necessary to include a citation for a newspaper article in the reference list; instead it is acceptable to fully cite it in the text of your paper. If, for some extraordinary reason, you need to include it in your reference list, here is an example:

Olive, David. 2012. "The Future of Fracking Is Anything But Rosy." Toronto Star. December 8.
     http://search.proquest.com/docview/1223592312?accountid=14672.

Websites

Like newspaper articles, you can simply mention websites in the text of your paper:

Example:

"The Univesity of South Alabama lists on its website, as of February 18, 2015, that it has awarded 75.540 degrees."

If you need to include a citation in the reference list, include an access date or the date when the site was last updated, if available.

Example:

Unversity of South Alabama. 2015. "About USA." Accessed February 18, 2015..
      http://www.southalabama.edu/aboutusa/.