Cita APA (7th ed.)
ebrary, Inc, Harris, R. L., & Terborg-Penn, R. (2006). The Columbia guide to African American history since 1939. Columbia University Press.
Cita Chicago (17th ed.)
ebrary, Inc, Robert L. Harris, i Rosalyn Terborg-Penn. The Columbia Guide to African American History Since 1939. New York: Columbia University Press, 2006.
Cita MLA (9th ed.)
ebrary, Inc, et al. The Columbia Guide to African American History Since 1939. Columbia University Press, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.