APA (7th ed.) Citation

Woodruff, W. (1981). The struggle for world power, 1500-1980. St. Martin's Press.

Chicago Style (17th ed.) Citation

Woodruff, William. The Struggle for World Power, 1500-1980. New York: St. Martin's Press, 1981.

MLA (9th ed.) Citation

Woodruff, William. The Struggle for World Power, 1500-1980. St. Martin's Press, 1981.