APA (7th ed.) Citation

Verderber, R. F. (1997). The challenge of effective speaking. Wadsworth Publishing Company.

Chicago Style (17th ed.) Citation

Verderber, Rudolph F. The Challenge of Effective Speaking. Belmont: Wadsworth Publishing Company, 1997.

MLA (9th ed.) Citation

Verderber, Rudolph F. The Challenge of Effective Speaking. Wadsworth Publishing Company, 1997.