Cita APA (7a ed.)

Mandel, E., Cannon, J. P., & Charlier, F. (1968). 50 years of world revolution 1917-1967: An international symposium. New York: Merit Publishers.

Cita Chicago Style (17a ed.)

Mandel, Ernest, James P. Cannon, y Fernand Charlier. 50 Years of World Revolution 1917-1967: An International Symposium. New York: Merit Publishers, 1968.

Cita MLA (8a ed.)

Mandel, Ernest, et al. 50 Years of World Revolution 1917-1967: An International Symposium. New York: Merit Publishers, 1968.