APA (7th ed.) Citation

Riordan, R. (2017). The hidden oracle (First paperback edition.). Disney-Hyperion.

Chicago Style (17th ed.) Citation

Riordan, Rick. The Hidden Oracle. First paperback edition. Los Angeles: Disney-Hyperion, 2017.

MLA (8th ed.) Citation

Riordan, Rick. The Hidden Oracle. First paperback edition. Disney-Hyperion, 2017.

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