APA (7th ed.) Citation

Riordan, R. (2018). The hammer of Thor (First paperback edition.). Disney-Hyperion.

Chicago Style (17th ed.) Citation

Riordan, Rick. The Hammer of Thor. First paperback edition. Los Angeles: Disney-Hyperion, 2018.

MLA (8th ed.) Citation

Riordan, Rick. The Hammer of Thor. First paperback edition. Disney-Hyperion, 2018.

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