APA (7th ed.) Citation

Hoffman, W. G., & Davis, R. (1937). Write and speak better. Whittlesey house, McGraw-Hill.

Chicago Style (17th ed.) Citation

Hoffman, William George, and Roy Davis. Write and Speak Better. New York: Whittlesey house, McGraw-Hill, 1937.

MLA (9th ed.) Citation

Hoffman, William George, and Roy Davis. Write and Speak Better. Whittlesey house, McGraw-Hill, 1937.