APA (7th ed.) Citation

Van Laan, N., & Heo, Y. (1998). So say the little monkeys. Atheneum Books for Young Readers.

Chicago Style (17th ed.) Citation

Van Laan, Nancy, and Yumi Heo. So Say the Little Monkeys. New York: Atheneum Books for Young Readers, 1998.

MLA (9th ed.) Citation

Van Laan, Nancy, and Yumi Heo. So Say the Little Monkeys. Atheneum Books for Young Readers, 1998.