Cita APA (7th ed.)

Riordan,Rick. (2012). The Son of Neptune Heroes Olympus 2. Puffin.

Cita Chicago (17th ed.)

Riordan,Rick. The Son of Neptune Heroes Olympus 2. London: Puffin, 2012.

Cita MLA (8th ed.)

Riordan,Rick. The Son of Neptune Heroes Olympus 2. Puffin, 2012.