Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.