APA Style
Riordan, Rick Riordan Rick. (2013).
Percy Jackson and the Battle of the Labyrinth (Book 4) .
London:
Puffin Books (2013).
Chicago Style
Riordan, Rick Riordan Rick.
Percy Jackson and the Battle of the Labyrinth (Book 4).
London:
Puffin Books (2013),
2013.
Text.
MLA Style
Riordan, Rick Riordan Rick.
Percy Jackson and the Battle of the Labyrinth (Book 4).
London:
Puffin Books (2013),
2013.
Text.
Turabian Style
Riordan, Rick Riordan Rick.
Percy Jackson and the Battle of the Labyrinth (Book 4).
London:
Puffin Books (2013),
2013.
Print.