APA (7th ed.) Citation

Carrel, A. (1939). Man the unknown. Harper.

Chicago Style (17th ed.) Citation

Carrel, Alexis. Man the Unknown. New York, London: Harper, 1939.

MLA (8th ed.) Citation

Carrel, Alexis. Man the Unknown. Harper, 1939.

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