APA (7th ed.) Citation

Duvoisin, R. (1945). The Christmas whale. Knopf.

Chicago Style (17th ed.) Citation

Duvoisin, Roger. The Christmas Whale. New York: Knopf, 1945.

MLA (9th ed.) Citation

Duvoisin, Roger. The Christmas Whale. Knopf, 1945.

Warning: These citations may not always be 100% accurate.