APA (7th ed.) Citation

Verderber, R. F. (1988). The challenge of effective speaking (Seventh edition.). Wadsworth Publishing Company.

Chicago Style (17th ed.) Citation

Verderber, Rudolph F. The Challenge of Effective Speaking. Seventh edition. Belmont, California: Wadsworth Publishing Company, 1988.

MLA (9th ed.) Citation

Verderber, Rudolph F. The Challenge of Effective Speaking. Seventh edition. Wadsworth Publishing Company, 1988.