Political Science

APSA (American Political Science Association) Style is similar to Chicago.  Here are some cites for help with this format:

• Using APSA Format - From the Texas A&M
• APSA Style pdf

Examples:

Book:

Bishai, Linda S. 2004. Forgetting Ourselves: Secession and the (Im)possibility of Territorial Identity. Lanham, MD: Lexington Books.

Journal Article:

Korzi, Michael J. 2004. "The President and the Public: Inaugural Addresses in American History." Congress & the Presidency 31 (Spring): Academic Search          Complete (Accessed July 28, 2014).

*Note: for articles found on the free web, use the full URL and access date at the end of the reference.

Newspaper Article:

Fruchtman, Jack, Jr. "Supreme Court Will Back Florida Court, " Baltimore Sun, 30 November 2000, final edition, sec. A, 25.

Website:

U.N Office on Drugs and Crime. 2013. Columbia: Coca Cultivation Survey 2012.               June. http://www.unodc.org/documents/cropmonitoring/Colombia/Colombia_Coca_Cultivation_Survey_2012_web.pdf   (July 20, 2015).