APA (7th ed.) Citation

Boutroux, E., & Rothwell, F. (1970). Historical studies in philosophy. Kennikat Press.

Chicago Style (17th ed.) Citation

Boutroux, Emile, and Fred Rothwell. Historical Studies in Philosophy. Port Washington, N.Y.: Kennikat Press, 1970.

MLA (9th ed.) Citation

Boutroux, Emile, and Fred Rothwell. Historical Studies in Philosophy. Kennikat Press, 1970.