APA (7th ed.) Zitazioa

Pratt, J. W. (1965). A history of United States foreign policy (2a. ed.). Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

Pratt, Julius W. A History of United States Foreign Policy. 2a. ed. Englewood Cliffs: Prentice-Hall, 1965.

MLA (9th ed.) Zitazioa

Pratt, Julius W. A History of United States Foreign Policy. 2a. ed. Prentice-Hall, 1965.