APA (7th ed.) Citation

Riordan , R. (2008). Percy Jackson and the Lightning Thief. Puffin Books.

Chicago Style (17th ed.) Citation

Riordan , Rick. Percy Jackson and the Lightning Thief. England: Puffin Books, 2008.

MLA (9th ed.) Citation

Riordan , Rick. Percy Jackson and the Lightning Thief. Puffin Books, 2008.

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