APA (7th ed.) Citation

Costigliola, F., & Keys, B. J. (2026). Explaining the history of American foreign relations (Fourth edition.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Costigliola, Frank, and Barbara J. Keys. Explaining the History of American Foreign Relations. Fourth edition. Cambridge ; New York: Cambridge University Press, 2026.

MLA (9th ed.) Citation

Costigliola, Frank, and Barbara J. Keys. Explaining the History of American Foreign Relations. Fourth edition. Cambridge University Press, 2026.