APA (7th ed.) Citation

Perkins, D. (1948). The Evolution of American foreign policy. Oxford Univ.Pr.

Chicago Style (17th ed.) Citation

Perkins, Dexter. The Evolution of American Foreign Policy. New York: Oxford Univ.Pr, 1948.

MLA (9th ed.) Citation

Perkins, Dexter. The Evolution of American Foreign Policy. Oxford Univ.Pr, 1948.

Warning: These citations may not always be 100% accurate.