Cita APA (7a ed.)

Ehninger, D. W., Gronbeck, B. E., & Monroe, A. H. (1979). Principles of speech communication (8th brief ed.). Scott, Foresman.

Cita Chicago Style (17a ed.)

Ehninger, Douglas W., Bruce E. Gronbeck, y Alan H. Monroe. Principles of Speech Communication. 8th brief ed. Glenview, Illinois: Scott, Foresman, 1979.

Cita MLA (9a ed.)

Ehninger, Douglas W., et al. Principles of Speech Communication. 8th brief ed. Scott, Foresman, 1979.