APA (7th ed.) Citation

Pratt, J. W. (1955). A history of United States foreign policy. Prentice-Hall.

Chicago Style (17th ed.) Citation

Pratt, Julius William. A History of United States Foreign Policy. New York: Prentice-Hall, 1955.

MLA (9th ed.) Citation

Pratt, Julius William. A History of United States Foreign Policy. Prentice-Hall, 1955.