Riordan, R. (2017). The dark prophecy (First edition.). Disney-Hyperion.
Cita Chicago Style (17a ed.)Riordan, Rick. The Dark Prophecy. First edition. Los Angeles: Disney-Hyperion, 2017.
Cita MLA (8a ed.)Riordan, Rick. The Dark Prophecy. First edition. Disney-Hyperion, 2017.
Precaución: Estas citas no son 100% exactas.