APA Citation
Verderber, R. F., Sellnow, D. D., & Verderber, K. S. (2012). The challenge of effective speaking (15th ed., international ed.). Boston, MA.: Wadsworth Cengage Learning.
Chicago Style CitationVerderber, Rudolph F., Deanna D. Sellnow, and Kathleen S. Verderber. The Challenge of Effective Speaking. 15th ed., international ed. Boston, MA.: Wadsworth Cengage Learning, 2012.
MLA CitationVerderber, Rudolph F., Deanna D. Sellnow, and Kathleen S. Verderber. The Challenge of Effective Speaking. 15th ed., international ed. Boston, MA.: Wadsworth Cengage Learning, 2012.
Warning: These citations may not always be 100% accurate.