Cita APA (7th ed.)

LaFeber, W. (1989). The American age: United States foreign policy at home and abroad since 1750. Norton.

Cita Chicago (17th ed.)

LaFeber, Walter. The American Age: United States Foreign Policy at Home and Abroad Since 1750. New York: Norton, 1989.

Cita MLA (9th ed.)

LaFeber, Walter. The American Age: United States Foreign Policy at Home and Abroad Since 1750. Norton, 1989.