APA

Collins R. O., Burns J. M., . (2007). A history of Sub-Saharan Africa. Cambridge: Cambridge University Press.

Chicago

Collins Robert O, Burns James McDonald, . 2007. A history of Sub-Saharan Africa. Cambridge: Cambridge University Press.

Harvard

Collins R. O., Burns J. M., . (2007). A history of Sub-Saharan Africa. Cambridge: Cambridge University Press.

MLA

Collins Robert O, Burns James McDonald, . A history of Sub-Saharan Africa. Cambridge: Cambridge University Press. 2007.