Citazione Stile APA (7a Edizione)

Pratt,. (1965). A history of United States foreign policy (2nd ed.). prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Pratt. A History of United States Foreign Policy. 2nd ed. Englewood cliffs: prentice-Hall, 1965.

Citatione MLA (9a ed.)

Pratt. A History of United States Foreign Policy. 2nd ed. prentice-Hall, 1965.