APA (7th ed.) Citation

Riordan, R. (2011). The lost hero. Puffin.

Chicago Style (17th ed.) Citation

Riordan, Rick. The Lost Hero. london: Puffin, 2011.

MLA (8th ed.) Citation

Riordan, Rick. The Lost Hero. Puffin, 2011.

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