APA (7th ed.) Citation

Sandford, W. P., & Yeager, W. H. (1950). Principles of effective speaking (5th ed.). Ronald Press Co..

Chicago Style (17th ed.) Citation

Sandford, William Phillips, and Willard Hayes Yeager. Principles of Effective Speaking. 5th ed. New York: Ronald Press Co., 1950.

MLA (9th ed.) Citation

Sandford, William Phillips, and Willard Hayes Yeager. Principles of Effective Speaking. 5th ed. Ronald Press Co., 1950.