Riordan, R. (2009). The demigod files (First edition.). Disney/Hyperion Books for Children.
Style de citation Chicago (17e éd.)Riordan, Rick. The Demigod Files. First edition. New York: Disney/Hyperion Books for Children, 2009.
Style de citation MLA (8e éd.)Riordan, Rick. The Demigod Files. First edition. Disney/Hyperion Books for Children, 2009.
Attention : ces citations peuvent ne pas être correctes à 100%.