APA (7th ed.) Citation

Thompson, E. T. (1968). Race Relations and the race problem: A definition and an analysis (1939. Repr.). Greenwood Press.

Chicago Style (17th ed.) Citation

Thompson, Edgar Tristram. Race Relations and the Race Problem: A Definition and an Analysis. 1939. Repr. New York: Greenwood Press, 1968.

MLA (9th ed.) Citation

Thompson, Edgar Tristram. Race Relations and the Race Problem: A Definition and an Analysis. 1939. Repr. Greenwood Press, 1968.