APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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