APA (7th ed.) Citation

Napoli, D. J. (1997). Zel (1. ed., 2. print.). Dutton Children's Books.

Chicago Style (17th ed.) Citation

Napoli, Donna Jo. Zel. 1. ed., 2. print. New York, NY: Dutton Children's Books, 1997.

MLA (9th ed.) Citation

Napoli, Donna Jo. Zel. 1. ed., 2. print. Dutton Children's Books, 1997.