Many databases format citations you have found into one of the common styles.

Look for "Cite this" or "Cite" or a similar link.

The Department of Communication uses a number of different style guides. Be sure and ask your instructor which one you should use.

Publication Manual of the American Psychological Association
BF 76.7 .C66 2010 (Ref Desk Coll, , Educ Ref)

provides detailed guidelines for citing sources in written manuscripts. Originally developed by the American Psychological Association (APA), this style manual is used by many other disciplines besides psychology.

Purdue University Online Writing Lab (OWL)

provides an online user-friendly, comprehensive guide for students that includes many examples of how to cite print and non-print sources in the most common writing styles, such as APA.