APA (7th ed.) Citation

Riordan Rick. (2010). Percy Jackson And The Last Olympian. Puffin Books.

Chicago Style (17th ed.) Citation

Riordan Rick. Percy Jackson And The Last Olympian. UK: Puffin Books, 2010.

MLA (9th ed.) Citation

Riordan Rick. Percy Jackson And The Last Olympian. Puffin Books, 2010.