APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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