Citazione Stile APA (7a Edizione)

Appelt, K., & Small, D. (2008). The underneath. Atheneum Books for Young Readers.

Citazione stile Chigago Style (17a edizione)

Appelt, Kathi, e David Small. The Underneath. New York: Atheneum Books for Young Readers, 2008.

Citatione MLA (9a ed.)

Appelt, Kathi, e David Small. The Underneath. Atheneum Books for Young Readers, 2008.