APA (7th ed.) Citation

Koestler, A., & Hardy, D. (1941). Darkness at noon. The Macmillan Company.

Chicago Style (17th ed.) Citation

Koestler, Arthur, and Daphne Hardy. Darkness At Noon. New York: The Macmillan Company, 1941.

MLA (8th ed.) Citation

Koestler, Arthur, and Daphne Hardy. Darkness At Noon. The Macmillan Company, 1941.

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