APA (7th ed.) Citation

Sandford, W. P., & Yeager, W. H. (1942). Principles of effective speaking (4th ed., rev. and enl.). The Ronald press company.

Chicago Style (17th ed.) Citation

Sandford, William Phillips, and Willard Hayes Yeager. Principles of Effective Speaking. 4th ed., rev. and enl. New York: The Ronald press company, 1942.

MLA (9th ed.) Citation

Sandford, William Phillips, and Willard Hayes Yeager. Principles of Effective Speaking. 4th ed., rev. and enl. The Ronald press company, 1942.