APA (7th ed.) Citation

Littlejohn, S. W., & Foss, K. A. (2009). Encyclopedia of communication theory. Sage.

Chicago Style (17th ed.) Citation

Littlejohn, Stephen W., and Karen A. Foss. Encyclopedia of Communication Theory. Los Angeles: Sage, 2009.

MLA (9th ed.) Citation

Littlejohn, Stephen W., and Karen A. Foss. Encyclopedia of Communication Theory. Sage, 2009.