Cita APA

Ketchum, R. M., & Kirk, G. (1959). What is communism? E.P. Dutton.

Citación estilo Chicago

Ketchum, Richard M., y Grayson Kirk. What Is Communism? New York, N.Y: E.P. Dutton, 1959.

Cita MLA

Ketchum, Richard M., y Grayson Kirk. What Is Communism? E.P. Dutton, 1959.