Cita APA

Pratt, J. W. (1965). A history of United States foreing policy (2a. ed.). New York: Prentice Hall.

Citación estilo Chicago

Pratt, Julius W. A History of United States Foreing Policy. 2a. ed. New York: Prentice Hall, 1965.

Cita MLA

Pratt, Julius W. A History of United States Foreing Policy. 2a. ed. New York: Prentice Hall, 1965.