APA (7th ed.) Citation

Warburg, J. P. (1954). The United States in a changing world; an historical analysis of American foreign policy. Putnam.

Chicago Style (17th ed.) Citation

Warburg, James P. The United States in a Changing World; an Historical Analysis of American Foreign Policy. New York: Putnam, 1954.

MLA (9th ed.) Citation

Warburg, James P. The United States in a Changing World; an Historical Analysis of American Foreign Policy. Putnam, 1954.