Cita APA (7th ed.)

Freedman, R., Engels, F., & Marx, K. (1968). Marxist social thought. Harcourt, Brace & World.

Cita Chicago (17th ed.)

Freedman, Robert,ed, Friedrich Engels, i Karl Marx. Marxist Social Thought. New York: Harcourt, Brace & World, 1968.

Cita MLA (9th ed.)

Freedman, Robert,ed, et al. Marxist Social Thought. Harcourt, Brace & World, 1968.