APA (7th ed.) Citation

Kingsley, S., & Koestler, A. (1951). Darkness at noon. Random House.

Chicago Style (17th ed.) Citation

Kingsley, Sidney, and Arthur Koestler. Darkness at Noon. New York: Random House, 1951.

MLA (9th ed.) Citation

Kingsley, Sidney, and Arthur Koestler. Darkness at Noon. Random House, 1951.

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