Style de citation APA (7e éd.)

Sandford, W. P., & Yeager, W. H. (1963). Principles of effective speaking (6th ed.). Ronald Press Co..

Style de citation Chicago (17e éd.)

Sandford, William Phillips, et Willard Hayes Yeager. Principles of Effective Speaking. 6th ed. New York: Ronald Press Co., 1963.

Style de citation MLA (8e éd.)

Sandford, William Phillips, et Willard Hayes Yeager. Principles of Effective Speaking. 6th ed. Ronald Press Co., 1963.