APA Style
Westerfeld, Scott. (2007).
Extras .
London:
Simon & Schuster.
Chicago Style
Westerfeld, Scott.
Extras.
London:
Simon & Schuster,
2007.
.
MLA Style
Westerfeld, Scott.
Extras.
London:
Simon & Schuster,
2007.
.
Turabian Style
Westerfeld, Scott.
Extras.
London:
Simon & Schuster,
2007.
.