APA Style

Kupchan, Charles A.. (2002). The End of American Era: U.S. foreign policy and the geopolitics of the twenty-first century . New York: Vintage Books.

Chicago Style

Kupchan, Charles A.. The End of American Era: U.S. foreign policy and the geopolitics of the twenty-first century. New York: Vintage Books, 2002. Text.

MLA Style

Kupchan, Charles A.. The End of American Era: U.S. foreign policy and the geopolitics of the twenty-first century. New York: Vintage Books, 2002. Text.

Turabian Style

Kupchan, Charles A.. The End of American Era: U.S. foreign policy and the geopolitics of the twenty-first century. New York: Vintage Books, 2002. Print.