APA (7th ed.) Citation

Gurley, J. G. (1980). Challengers to capitalism: Marx, Lenin, Stalin, and Mao (2d ed.). Norton.

Chicago Style (17th ed.) Citation

Gurley, John G. Challengers to Capitalism: Marx, Lenin, Stalin, and Mao. 2d ed. New York: Norton, 1980.

MLA (9th ed.) Citation

Gurley, John G. Challengers to Capitalism: Marx, Lenin, Stalin, and Mao. 2d ed. Norton, 1980.