APA (7th ed.) Citation

Hallowell, J. H. (1950). Main currents in modern political thought. Holt.

Chicago Style (17th ed.) Citation

Hallowell, John Hamilton. Main Currents in Modern Political Thought. New York: Holt, 1950.

MLA (9th ed.) Citation

Hallowell, John Hamilton. Main Currents in Modern Political Thought. Holt, 1950.