APA (7th ed.) Citation

Verderber, R. F. (1970). The challenge of effective speaking. Wadsworth.

Chicago Style (17th ed.) Citation

Verderber, Rudolph F. The Challenge of Effective Speaking. Belmont, California: Wadsworth, 1970.

MLA (9th ed.) Citation

Verderber, Rudolph F. The Challenge of Effective Speaking. Wadsworth, 1970.

Warning: These citations may not always be 100% accurate.