Riordan Rick. (2017). Trials OF Apollo The Dark Prophecy. Penguin Random House.
芝加哥风格引文Riordan Rick. Trials OF Apollo The Dark Prophecy. UK: Penguin Random House, 2017.
MLA引文Riordan Rick. Trials OF Apollo The Dark Prophecy. Penguin Random House, 2017.
警告：这些引文格式不一定是100％准确.