APA (7th ed.) Citation

Collins, R. O. (1968). King Leopold, England, and the Upper Nile, 1899-1909. Yale University Press.

Chicago Style (17th ed.) Citation

Collins, Robert O. King Leopold, England, and the Upper Nile, 1899-1909. New Haven: Yale University Press, 1968.

MLA (8th ed.) Citation

Collins, Robert O. King Leopold, England, and the Upper Nile, 1899-1909. Yale University Press, 1968.