Cita APA (7a ed.)

Ketchum, R. M. (1963). What is communism?: A picture survey of communism (New rev. ed.). E.P. Dutton.

Cita Chicago Style (17a ed.)

Ketchum, Richard M. What Is Communism?: A Picture Survey of Communism. New rev. ed. New York: E.P. Dutton, 1963.

Cita MLA (9a ed.)

Ketchum, Richard M. What Is Communism?: A Picture Survey of Communism. New rev. ed. E.P. Dutton, 1963.