Cita APA (7a ed.)

Kupchan, C. (2010). How Enemies Become Friends: The Sources of Stable Peace. Princeton University Press.

Cita Chicago Style (17a ed.)

Kupchan, Charles. How Enemies Become Friends: The Sources of Stable Peace. Princeton: Princeton University Press, 2010.

Cita MLA (8a ed.)

Kupchan, Charles. How Enemies Become Friends: The Sources of Stable Peace. Princeton University Press, 2010.