Cita APA

Trotsky, L. (1977). The revolution betrayed. ¿What is the Soviet Union and where is going?. Leon Trotsky. New York, Estados Unidos: Pathfinder Press.

Citación estilo Chicago

Trotsky, Leon. The Revolution Betrayed. ¿What Is the Soviet Union and Where Is Going?. Leon Trotsky. New York, Estados Unidos: Pathfinder Press, 1977.

Cita MLA

Trotsky, Leon. The Revolution Betrayed. ¿What Is the Soviet Union and Where Is Going?. Leon Trotsky. New York, Estados Unidos: Pathfinder Press, 1977.