APA (7th ed.) Citation

Gann, L. H. a. D. (1969). Colonialism in Africa 1870-1960. Cambridge University Press.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Gann, L. H. and Duignan. Colonialism in Africa 1870-1960. Cambridge University Press, 1969.