Fifty years of world revolution (1917-1967) : : an international symposium / / edited and with an introduction by Ernest Mandel ; translations by Gerald Paul.

MLA

Mandel, Ernest. Fifty Years of World Revolution (1917-1967) : an International Symposium. Second printing New York: Merit Publishers, 1969.

APA

Mandel, E. (1969). Fifty years of world revolution (1917-1967) : an international symposium. Second printing New York: Merit Publishers.

Chicago

Mandel, Ernest Fifty Years of World Revolution (1917-1967): An International Symposium. Second printing New York: Merit Publishers, 1969.