APA (7th ed.) Citation

Gann, L. H., & Duignan, P. J. (1969). Colonialism in Africa, 1870-1960. University Press.

Chicago Style (17th ed.) Citation

Gann, Lewis H,, and Peter J. Duignan. Colonialism in Africa, 1870-1960. Cambridge: University Press, 1969.

MLA (9th ed.) Citation

Gann, Lewis H,, and Peter J. Duignan. Colonialism in Africa, 1870-1960. University Press, 1969.