Cita APA (7th ed.)

Riordan, R. (2009). The last Olympian. Disney Hyperion Books.

Cita Chicago (17th ed.)

Riordan, Rick. The Last Olympian. New York: Disney Hyperion Books, 2009.

Cita MLA (9th ed.)

Riordan, Rick. The Last Olympian. Disney Hyperion Books, 2009.