APA Citation

Riordan, R. (2011). The son of Neptune. London: Puffin Books.

Chicago Style Citation

Riordan, Rick. The Son of Neptune. London: Puffin Books, 2011.

MLA Citation

Riordan, Rick. The Son of Neptune. London: Puffin Books, 2011.

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