APA (7th ed.) Citation

Kupchan, C. (2012). How enemies become friends: The sources of stable peace (3. print, and 1. paperback print.). Princeton Univ. Press.

Chicago Style (17th ed.) Citation

Kupchan, Charles. How Enemies Become Friends: The Sources of Stable Peace. 3. print, and 1. paperback print. Princeton, NJ [u.a.]: Princeton Univ. Press, 2012.

MLA (9th ed.) Citation

Kupchan, Charles. How Enemies Become Friends: The Sources of Stable Peace. 3. print, and 1. paperback print. Princeton Univ. Press, 2012.