APA (7th ed.) Citation

Riordan, R. (2016). The hidden oracle (First edition.). Disney-Hyperion.

Chicago Style (17th ed.) Citation

Riordan, Rick. The Hidden Oracle. First edition. Los Angeles ; New York: Disney-Hyperion, 2016.

MLA (8th ed.) Citation

Riordan, Rick. The Hidden Oracle. First edition. Disney-Hyperion, 2016.

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