APA (7th ed.) Citation

Riordan, R., & Gengaro, M. (2010). The red pyramid. Disney/Hyperion Books.

Chicago Style (17th ed.) Citation

Riordan, Rick, and Michelle Gengaro. The Red Pyramid. New York: Disney/Hyperion Books, 2010.

MLA (8th ed.) Citation

Riordan, Rick, and Michelle Gengaro. The Red Pyramid. Disney/Hyperion Books, 2010.

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