APA (7th ed.) Citation

Gray, J. M. S. (1962). History of Zanzibar, from the Middle Ages to 1856. Oxford University Press.

Chicago Style (17th ed.) Citation

Gray, John Milner Sir. History of Zanzibar, from the Middle Ages to 1856. London: Oxford University Press, 1962.

MLA (9th ed.) Citation

Gray, John Milner Sir. History of Zanzibar, from the Middle Ages to 1856. Oxford University Press, 1962.