APA-referens

Colgan, J. (2013). Petro-aggression: When oil causes war. Cambridge University Press.

Chicago-stil citat

Colgan, Jeff. Petro-aggression: When Oil Causes War. Cambridge: Cambridge University Press, 2013.

MLA-referens

Colgan, Jeff. Petro-aggression: When Oil Causes War. Cambridge University Press, 2013.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.