APA (7th ed.) Citation

Verderber, R. F., Verderber, K. S., & Sellnow, D. D. (2006). The challenge of effective speaking (13th ed.). Thomson/Wadsworth.

Chicago Style (17th ed.) Citation

Verderber, Rudolph F., Kathleen S. Verderber, and Deanna D. Sellnow. The Challenge of Effective Speaking. 13th ed. Belmont, CA: Thomson/Wadsworth, 2006.

MLA (8th ed.) Citation

Verderber, Rudolph F., et al. The Challenge of Effective Speaking. 13th ed. Thomson/Wadsworth, 2006.