APA (7th ed.) Citation

George, J. Z. (1969). The political history of slavery in the United States. Negro Universities Press.

Chicago Style (17th ed.) Citation

George, James Z. The Political History of Slavery in the United States. New York: Negro Universities Press, 1969.

MLA (9th ed.) Citation

George, James Z. The Political History of Slavery in the United States. Negro Universities Press, 1969.