APA (7th ed.) Citation

Jonas, A. (1990). Aardvarks, disembark! Greenwillow Books.

Chicago Style (17th ed.) Citation

Jonas, Ann. Aardvarks, Disembark! New York: Greenwillow Books, 1990.

MLA (9th ed.) Citation

Jonas, Ann. Aardvarks, Disembark! Greenwillow Books, 1990.