APA (7th ed.) Citation

Koestler, A., Crossman, R. H. S., & Aron, R. (1950). Le Dieu des ténèbres: (The God that failed). Calmann-Lévy.

Chicago Style (17th ed.) Citation

Koestler, Arthur, R. H. S. Crossman, and Raymond Aron. Le Dieu Des Ténèbres: (The God That Failed). Paris: Calmann-Lévy, 1950.

MLA (9th ed.) Citation

Koestler, Arthur, et al. Le Dieu Des Ténèbres: (The God That Failed). Calmann-Lévy, 1950.