Riordan,Rick. (2015). Heroes of Olympus: The House of Hedes. Puffin Books.
Cita Chicago (17th ed.)Riordan,Rick. Heroes of Olympus: The House of Hedes. UK: Puffin Books, 2015.
Cita MLA (9th ed.)Riordan,Rick. Heroes of Olympus: The House of Hedes. Puffin Books, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.