APA način citiranja (7. izdanje)
Kupchan, C. (2010). How enemies become friends: The sources of stable peace. Princeton University Press.
Čikaški stil citiranja (17. izdanje)
Kupchan, Charles. How Enemies Become Friends: The Sources of Stable Peace. Princeton, NJ ; Oxford: Princeton University Press, 2010.
MLA način citiranja (9. izdanje)
Kupchan, Charles. How Enemies Become Friends: The Sources of Stable Peace. Princeton University Press, 2010.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.