APA (7th ed.) Citation

Verderber, R. F. (1991). The challenge of effective speaking (8th ed.). Wadsworth.

Chicago Style (17th ed.) Citation

Verderber, Rudolph F. The Challenge of Effective Speaking. 8th ed. Belmont, CAL.: Wadsworth, 1991.

MLA (9th ed.) Citation

Verderber, Rudolph F. The Challenge of Effective Speaking. 8th ed. Wadsworth, 1991.