Cita APA (7a ed.)

Koestler, A., & Crossman, R. H. S. (1951). The God that failed. Bantam.

Cita Chicago Style (17a ed.)

Koestler, Arthur, y R. H. S. Crossman. The God That Failed. New York: Bantam, 1951.

Cita MLA (9a ed.)

Koestler, Arthur, y R. H. S. Crossman. The God That Failed. Bantam, 1951.