Riordan, R. (2015). Heroes of Olympus: The son of neptune. Puffin Books.
芝加哥风格引文Riordan, Rick. Heroes of Olympus: The Son of Neptune. UK: Puffin Books, 2015.
MLA引文Riordan, Rick. Heroes of Olympus: The Son of Neptune. Puffin Books, 2015.
警告：这些引文格式不一定是100％准确.