APA (7e ed.) Bronvermelding

Perkins, D., & Van Deusen, G. G. (1968). The United States of America: A history (2nd ed.). Macmillan.

Chicago (17e ed.) Bronvermelding

Perkins, Dexter, en Glyndon Garlock Van Deusen. The United States of America: A History. 2nd ed. New York: Macmillan, 1968.

MLA (9e ed.) Bronvermelding

Perkins, Dexter, en Glyndon Garlock Van Deusen. The United States of America: A History. 2nd ed. Macmillan, 1968.