APA (7th ed.) Citation

Duvoisin, R. (1955). One thousand Christmas beards. Knopf.

Chicago Style (17th ed.) Citation

Duvoisin, Roger. One Thousand Christmas Beards. New York: Knopf, 1955.

MLA (9th ed.) Citation

Duvoisin, Roger. One Thousand Christmas Beards. Knopf, 1955.

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