Cita APA

Kupchan, C. A. (2002). The end of the American era: U.S. foreign policy and the geopolitics of the twenty-first century (1a edición.). New York: A. Knopf.

Citación estilo Chicago

Kupchan, Charles A. The End of the American Era: U.S. Foreign Policy and the Geopolitics of the Twenty-first Century. 1a edición. New York: A. Knopf, 2002.

Cita MLA

Kupchan, Charles A. The End of the American Era: U.S. Foreign Policy and the Geopolitics of the Twenty-first Century. 1a edición. New York: A. Knopf, 2002.