APA Citation

Koestler, A. (1985). Darkness at noon (1st Ed.). London: Penguin Books.

Chicago Style Citation

Koestler, Arthur. Darkness At Noon. 1st Ed. London: Penguin Books, 1985.

MLA Citation

Koestler, Arthur. Darkness At Noon. 1st Ed. London: Penguin Books, 1985.

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