APA (7th ed.) Citation

Ajayi, J. F. A., & Crowder, M. (1971). History of West Africa. Columbia University Press.

Chicago Style (17th ed.) Citation

Ajayi, J. F. Ade, and Michael Crowder. History of West Africa. New York: Columbia University Press, 1971.

MLA (9th ed.) Citation

Ajayi, J. F. Ade, and Michael Crowder. History of West Africa. Columbia University Press, 1971.