Cita APA

White, S., Gardner, J., & Schèopflin, G. (1987). Communist political systems: An introduction (Second edition.). St. Martin's Press.

Citación estilo Chicago

White, Stephen, John Gardner, and George Schèopflin. Communist Political Systems: An Introduction. Second edition. New York: St. Martin's Press, 1987.

Cita MLA

White, Stephen, et al. Communist Political Systems: An Introduction. Second edition. St. Martin's Press, 1987.