Cita APA (7a ed.)

Valtin, J., & Krebs, R. J. H. (1941). Out of the night. New York: Alliance Book Corporation.

Cita Chicago Style (17a ed.)

Valtin, Jan, y Richard Julius Hermann Krebs. Out of the Night. New York: Alliance Book Corporation, 1941.

Cita MLA (8a ed.)

Valtin, Jan, y Richard Julius Hermann Krebs. Out of the Night. New York: Alliance Book Corporation, 1941.