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Albert S. Cook Library

Chicago Style: Author-Date Format

Learn to use Chicago Style Author-Date format to cite your sources.

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General Guidelines

Include as much of the following information as possible:

  • Personal author/corporate author
  • Latest year of copyright or last update
  • “Title of Site Section,” (if relevant)
  • Title of Site
  • Sponsor of Site (if different from the author)
  • URL
  • If there is no copyright, revision or other publication date given, use the abbreviation "n.d." and cite the date of access before listing the URL.

Entire Site

Reference list: 

Gray, Terry A.  2009. Mr. William Shakespeare and the Internet. Palomar College, September 21.

In-text citation:

(Gray 2009)

Part of a Site

Reference list: 

Civil War Trust. 2011. “Civil War Battlefields.” Saving America’s Civil War Battlefields.

In-text citation: 

(Civil War Trust 2011)