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.
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 or MLA.
Publication Manual of the American Psychological Association
BF 76.7 .C66 (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.