APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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