APA (7th ed.) Citation

Prelutsky, J., & Williams, G. (1986). Ride a purple pelican. Greenwillow Books.

Chicago Style (17th ed.) Citation

Prelutsky, Jack, and Garth Williams. Ride a Purple Pelican. New York: Greenwillow Books, 1986.

MLA (9th ed.) Citation

Prelutsky, Jack, and Garth Williams. Ride a Purple Pelican. Greenwillow Books, 1986.