APA (7th ed.) Citation

Strausz-Hupé, R. (1942). Geopolitics: The struggle for space and power. Putnam.

Chicago Style (17th ed.) Citation

Strausz-Hupé, Robert. Geopolitics: The Struggle for Space and Power. New York: Putnam, 1942.

MLA (9th ed.) Citation

Strausz-Hupé, Robert. Geopolitics: The Struggle for Space and Power. Putnam, 1942.

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