APA (7th ed.) Citation

Riordan, R. (2016). Magnus Chase and the Hammer of Thor. Puffin.

Chicago Style (17th ed.) Citation

Riordan, Rick. Magnus Chase and the Hammer of Thor. South Africa: Puffin, 2016.

MLA (9th ed.) Citation

Riordan, Rick. Magnus Chase and the Hammer of Thor. Puffin, 2016.

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