Cita APA (7a ed.)

Koestler, A., & Crossman, R. H. S. (1949). The god that failed. Harper Colophon books.

Cita Chicago Style (17a ed.)

Koestler, Arthur, y R. H. S. Crossman. The God That Failed. New York: Harper Colophon books, 1949.

Cita MLA (9a ed.)

Koestler, Arthur, y R. H. S. Crossman. The God That Failed. Harper Colophon books, 1949.