APA (7th ed.) Citation

Richardson, B. A., Fahey, W. A., & Hallock, R. (1956). Great American negroes. Thomas Y. Crowell.

Chicago Style (17th ed.) Citation

Richardson, Ben Albert, William A. Fahey, and Robert Hallock. Great American Negroes. New York: Thomas Y. Crowell, 1956.

MLA (9th ed.) Citation

Richardson, Ben Albert, et al. Great American Negroes. Thomas Y. Crowell, 1956.