APA (7th ed.) Citation

Lenin, V. I. (1971). On the unity of the international communist: Movement. (2nd ed.). Progress.

Chicago Style (17th ed.) Citation

Lenin, Vladimer Ilich. On the Unity of the International Communist: Movement. 2nd ed. Moscow: Progress, 1971.

MLA (9th ed.) Citation

Lenin, Vladimer Ilich. On the Unity of the International Communist: Movement. 2nd ed. Progress, 1971.