Riordan Rick. (2017). Trials OF Apollo The Dark Prophecy. Penguin Random House.
Chicago Style (17th ed.) CitationRiordan Rick. Trials OF Apollo The Dark Prophecy. UK: Penguin Random House, 2017.
MLA (9th ed.) CitationRiordan Rick. Trials OF Apollo The Dark Prophecy. Penguin Random House, 2017.
Warning: These citations may not always be 100% accurate.