APA (7th ed.) Citation

Whippo, W., Zaritzky, B., & Paley, J. (2000). Little white duck. Little, Brown.

Chicago Style (17th ed.) Citation

Whippo, Walt, Bernard Zaritzky, and Joan Paley. Little White Duck. Boston: Little, Brown, 2000.

MLA (9th ed.) Citation

Whippo, Walt, et al. Little White Duck. Little, Brown, 2000.