APA
Stalin J., . (1934). Problems of Leninism. San Francisco: Proletarian Publishers.
Chicago
Stalin Joseph, . 1934. Problems of Leninism. San Francisco: Proletarian Publishers.
Harvard
Stalin J., . (1934). Problems of Leninism. San Francisco: Proletarian Publishers.
MLA
Stalin Joseph, . Problems of Leninism. San Francisco: Proletarian Publishers. 1934.
