Riordan, R., & Guetig, C. (2015). The sword of summer (Unabridged.). Listening Library, an imprint of the Penguin Random House Audio Publishing Group : Books on Tape.
Cita Chicago Style (17a ed.)Riordan, Rick, y Christopher Guetig. The Sword of Summer. Unabridged. New York, New York: Listening Library, an imprint of the Penguin Random House Audio Publishing Group : Books on Tape, 2015.
Cita MLA (8a ed.)Riordan, Rick, y Christopher Guetig. The Sword of Summer. Unabridged. Listening Library, an imprint of the Penguin Random House Audio Publishing Group : Books on Tape, 2015.
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