Cita APA (7th ed.)
Ehninger, D., Gronbeck, B. E., Monroe, A. H., & Monroe, A. H. (1978). Principles of speech communication (8th.). Scott, Foresman and co..
Cita Chicago (17th ed.)
Ehninger, Douglas, Bruce E. Gronbeck, Alan H. Monroe, i Alan Houston Monroe. Principles of Speech Communication. 8th. Dallas, Texas: Scott, Foresman and co., 1978.
Cita MLA (9th ed.)
Ehninger, Douglas, et al. Principles of Speech Communication. 8th. Scott, Foresman and co., 1978.
Atenció: Aquestes cites poden no estar 100% correctes.