APA (7th ed.) Citation

Riordan, R., & Gengaro, M. (2012). The serpent's shadow. Disney/Hyperion Books.

Chicago Style (17th ed.) Citation

Riordan, Rick, and Michelle Gengaro. The Serpent's Shadow. New York: Disney/Hyperion Books, 2012.

MLA (8th ed.) Citation

Riordan, Rick, and Michelle Gengaro. The Serpent's Shadow. Disney/Hyperion Books, 2012.

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