APA (7th ed.) Citation

Huberman, L., Sweezy, P. M., & Einstein, A. (1968). Introduction to socialism. Modern Reader Paperbacks.

Chicago Style (17th ed.) Citation

Huberman, Leo, Paul Marlor Sweezy, and Albert Einstein. Introduction to Socialism. New York: Modern Reader Paperbacks, 1968.

MLA (9th ed.) Citation

Huberman, Leo, et al. Introduction to Socialism. Modern Reader Paperbacks, 1968.