APA (7th ed.) Citation

Roucele, J. S. (1946). Twentieth century political thought. Philosophical Library.

Chicago Style (17th ed.) Citation

Roucele, Joseph Slabey. Twentieth Century Political Thought. New York: Philosophical Library, 1946.

MLA (8th ed.) Citation

Roucele, Joseph Slabey. Twentieth Century Political Thought. Philosophical Library, 1946.

Warning: These citations may not always be 100% accurate.