APA (7th ed.) Citation

Gettell, R. G., & Wanlass, L. C. (1953). History of political thought.

Chicago Style (17th ed.) Citation

Gettell, Raymond Garfield, and Laurence C. Wanlass. History of Political Thought. New York, 1953.

MLA (9th ed.) Citation

Gettell, Raymond Garfield, and Laurence C. Wanlass. History of Political Thought. 1953.