APA (7th ed.) Citation

Gray, J. M. (1966). A history of the Gambia. Barnes & Noble.

Chicago Style (17th ed.) Citation

Gray, John Milner. A History of the Gambia. New York: Barnes & Noble, 1966.

MLA (9th ed.) Citation

Gray, John Milner. A History of the Gambia. Barnes & Noble, 1966.