Cita APA (7a ed.)

Riordan, R. (2009). The demigod files (First edition.). Disney/Hyperion Books for Children.

Cita Chicago Style (17a ed.)

Riordan, Rick. The Demigod Files. First edition. New York: Disney/Hyperion Books for Children, 2009.

Cita MLA (8a ed.)

Riordan, Rick. The Demigod Files. First edition. Disney/Hyperion Books for Children, 2009.

Precaución: Estas citas no son 100% exactas.