APA (7th ed.) Citation

Koestler, A. (1972). The roots of coincidence (1. publ.). Hutchinson.

Chicago Style (17th ed.) Citation

Koestler, Arthur. The Roots of Coincidence. 1. publ. London: Hutchinson, 1972.

MLA (9th ed.) Citation

Koestler, Arthur. The Roots of Coincidence. 1. publ. Hutchinson, 1972.

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