Riordan,Rick. (2010). Percy Jackson & The Battle of the Labyrinth. Puffin books.
Chicago Style (17th ed.) CitationRiordan,Rick. Percy Jackson & The Battle of the Labyrinth. UK: Puffin books, 2010.
MLA (9th ed.) CitationRiordan,Rick. Percy Jackson & The Battle of the Labyrinth. Puffin books, 2010.
Warning: These citations may not always be 100% accurate.