APA (7th ed.) Citation

Stone, A. H., & Willcox, W. F. (1969). Studies in the American race problem. Negro Universities Press.

Chicago Style (17th ed.) Citation

Stone, Alfred Holt, and Walter F. Willcox. Studies in the American Race Problem. New York: Negro Universities Press, 1969.

MLA (9th ed.) Citation

Stone, Alfred Holt, and Walter F. Willcox. Studies in the American Race Problem. Negro Universities Press, 1969.