APA (7th ed.) Citation

Bremmer, I. (2012). Every nation for itself: What happens when no one leads the world. Portfolio/Penhuin.

Chicago Style (17th ed.) Citation

Bremmer, Ian. Every Nation for Itself: What Happens When No One Leads the World. New York: Portfolio/Penhuin, 2012.

MLA (9th ed.) Citation

Bremmer, Ian. Every Nation for Itself: What Happens When No One Leads the World. Portfolio/Penhuin, 2012.