APA (7th ed.) Citation

Turrou, L. G. (1939). Nazi spies in America. Random House.

Chicago Style (17th ed.) Citation

Turrou, Leon G. Nazi Spies in America. New York, N.Y: Random House, 1939.

MLA (8th ed.) Citation

Turrou, Leon G. Nazi Spies in America. Random House, 1939.