Riordan,Rick. (2008). Percy Jackson and the sea of monsters. Puffin books.
Chicago Edition CitationRiordan,Rick. Percy Jackson and the Sea of Monsters. London: Puffin books, 2008.
MLA Edition CitationRiordan,Rick. Percy Jackson and the Sea of Monsters. Puffin books, 2008.
Warning: These citations may not always be 100% accurate.