APA引文

Collins, R. O. (1962). The southern Sudan, 1883-1898, a struggle for control. Yale University Press.

Chicago Style (17th ed.) Citation

Collins, Robert O. The Southern Sudan, 1883-1898, a Struggle for Control. New Haven: Yale University Press, 1962.

MLA引文

Collins, Robert O. The Southern Sudan, 1883-1898, a Struggle for Control. Yale University Press, 1962.