APA (7th ed.) Citation

Riordan, R. (2014). The Demigod files. Mizan.

Chicago Style (17th ed.) Citation

Riordan, Rick. The Demigod Files. Mizan, 2014.

MLA (8th ed.) Citation

Riordan, Rick. The Demigod Files. Mizan, 2014.

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