APA (7th ed.) Citation

Gann, L. H., & Duignan, P. (1978). African proconsuls: European governors in Africa. Free Press.

Chicago Style (17th ed.) Citation

Gann, Lewis H., and Peter Duignan. African Proconsuls: European Governors in Africa. New York: Free Press, 1978.

MLA (8th ed.) Citation

Gann, Lewis H., and Peter Duignan. African Proconsuls: European Governors in Africa. Free Press, 1978.