APA Style
Colgan, Jeff D.. (2013).
Petro-Aggression : when oil causes war .
Cambridge:
Cambridge University.
Chicago Style
Colgan, Jeff D..
Petro-Aggression : when oil causes war.
Cambridge:
Cambridge University,
2013.
Text.
MLA Style
Colgan, Jeff D..
Petro-Aggression : when oil causes war.
Cambridge:
Cambridge University,
2013.
Text.
Turabian Style
Colgan, Jeff D..
Petro-Aggression : when oil causes war.
Cambridge:
Cambridge University,
2013.
Print.