APA (American Psychological Assoication) citation style is often used for communication research. Here are some links to resources explaining the style. If your research/class/assignment requires another style, please take a look at our Citing Sources guide.
APA Citation Style Handout (6th Edition)
APA Style Help (6th Edition)
APA Formatting and Style Guide (Purdue University) (6th Edition)
Social Sciences: Documenting Sources - APA Style (5th Edition)