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Citation Style Guides: Chicago

This Research Guide was designed to provide you with assistance in citing your sources when writing an academic paper.

Chicago Style


The Chicago Manual of Style (CMS, CMOS, or Chicago) is a style guide for American English that covers topics from manuscript preparation to grammar, usage, and how to format citations.

The most recent edition, the sixteen edition, was published in 2010. This edition can be found in the Ready Reference section of the Library. The call number is Ready Reference Z 253 .U69 2010. Listed below are examples of sample citations.

Print Sources


  • Pollan, Michael. The Omnivore’s Dilemma: A Natural History of Four Meals. New York: Penguin, 2006.


  • Weinstein, Joshua I. “The Market in Plato’s Republic.” Classical Philology 104 (2009): 439–58.

Electronic Sources

Book published electronically

  • Kurland, Philip B., and Ralph Lerner, eds. The Founders’ Constitution. Chicago: University of Chicago Press, 1987. Accessed February 28, 2010.

Article in an online journal

  • Kossinets, Gueorgi, and Duncan J. Watts. “Origins of Homophily in an Evolving Social Network.” American Journal of Sociology 115 (2009): 405–50. Accessed February 28, 2010. doi:10.1086/599247.

Article in a newspaper or popular magazine

  • Stolberg, Sheryl Gay, and Robert Pear. “Wary Centrists Posing Challenge in Health Care Vote.” New York Times, February 27, 2010. Accessed February 28, 2010.


  • McDonald’s Corporation. “McDonald’s Happy Meal Toy Safety Facts.” Accessed July 19, 2008.

Chicago Citation Basics

Created by Easybib, this e-book will teach students how to accurately cite sources from the most commonly used media:

  • Websites and Books
  • Journals and Newspapers
  • Databases and Magazines
  • Films, Chapters, and Photographs

Want to read this e-book in a new window?

Chicago Online Sources

The following links provide more information on how to cite using CMS.

Citation Help

Use these websites to help you create citations.