APA Style
Bowden, Oliver. (2011).
The secret crusade .
New York:
Penguin Books.
Chicago Style
Bowden, Oliver.
The secret crusade.
New York:
Penguin Books,
2011.
Text.
MLA Style
Bowden, Oliver.
The secret crusade.
New York:
Penguin Books,
2011.
Text.
Turabian Style
Bowden, Oliver.
The secret crusade.
New York:
Penguin Books,
2011.
Print.