APA (7th ed.) Citation

Smith, C. L., & Doyle, M. (2013). Eternal: Zachary's story. Candlewick Press.

Chicago Style (17th ed.) Citation

Smith, Cynthia Leitich, and Ming Doyle. Eternal: Zachary's Story. Somerville, Mass.: Candlewick Press, 2013.

MLA (8th ed.) Citation

Smith, Cynthia Leitich, and Ming Doyle. Eternal: Zachary's Story. Candlewick Press, 2013.

Warning: These citations may not always be 100% accurate.