APA (7th ed.) Citation

Bemis, S. F. (1950). The United States as a world power: A diplomatic history, 1900-1950. Henry Holt.

Chicago Style (17th ed.) Citation

Bemis, Samuel Flagg. The United States as a World Power: A Diplomatic History, 1900-1950. New York: Henry Holt, 1950.

MLA (9th ed.) Citation

Bemis, Samuel Flagg. The United States as a World Power: A Diplomatic History, 1900-1950. Henry Holt, 1950.