Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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