The challenge of the left opposition (1923-25) / / Leon Trotsky ; edited with an introduction by Naomi Allen.

MLA

Trotski, Leon, and Naomi Allen. The Challenge of the Left Opposition (1923-25). New York: Pathfinder Press, 1975.

APA

Trotski, L., & Allen, N. (1975). The challenge of the left opposition (1923-25). New York: Pathfinder Press.

Chicago

Trotski, Leon, and Naomi Allen. The Challenge of the Left Opposition (1923-25). New York: Pathfinder Press, 1975.