APA (7th ed.) Citation

Harris, R. L., & Terborg-Penn, R. (2006). The Columbia guide to African American history since 1939. Columbia University Press.

Chicago Style (17th ed.) Citation

Harris, Robert L., and Rosalyn Terborg-Penn. The Columbia Guide to African American History Since 1939. New York: Columbia University Press, 2006.

MLA (8th ed.) Citation

Harris, Robert L., and Rosalyn Terborg-Penn. The Columbia Guide to African American History Since 1939. Columbia University Press, 2006.