APA引文

Spykman, N. J. (1942). America's strategy in world politics: The United States and the balance of power. Harcourt, Brace.

Chicago Style (17th ed.) Citation

Spykman, Nicholas John. America's Strategy in World Politics: The United States and the Balance of Power. New York: Harcourt, Brace, 1942.

MLA引文

Spykman, Nicholas John. America's Strategy in World Politics: The United States and the Balance of Power. Harcourt, Brace, 1942.