APA aipamena

Rick Riordan. (2011). The lost hero (Riordan, Rick.). Puffin.

Chicago Style aipamena

Rick Riordan. The Lost Hero. Riordan, Rick. London: Puffin, 2011.

MLA aipamena

Rick Riordan. The Lost Hero. Riordan, Rick. Puffin, 2011.