APA (7th ed.) Citation

Frank, P., Novack, G., & Mandel, E. (1969). Key problems of the transition from capitalism to socialism. Merit Publishers.

Chicago Style (17th ed.) Citation

Frank, Pierre, George Novack, and Ernest Mandel. Key Problems of the Transition from Capitalism to Socialism. [New York: Merit Publishers, 1969.

MLA (8th ed.) Citation

Frank, Pierre, et al. Key Problems of the Transition from Capitalism to Socialism. Merit Publishers, 1969.