APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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