Citazione Stile APA (7a Edizione)

Weisberger, B. A. (1976). The impact of our past: A history of the United States (2. ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Weisberger, Bernard A. The Impact of Our Past: A History of the United States. 2. ed. New York [u.a.]: McGraw-Hill, 1976.

Citatione MLA (9a ed.)

Weisberger, Bernard A. The Impact of Our Past: A History of the United States. 2. ed. McGraw-Hill, 1976.