APA (7th ed.) Citation

Gambia Independence Conference London, England, & Great Britain. Colonial Office. (1964). The Gambia Independence Conference, 1964. H.M.S.O..

Chicago Style (17th ed.) Citation

Gambia Independence Conference London, England, and Great Britain. Colonial Office. The Gambia Independence Conference, 1964. London: H.M.S.O., 1964.

MLA (8th ed.) Citation

Gambia Independence Conference London, England, and Great Britain. Colonial Office. The Gambia Independence Conference, 1964. H.M.S.O., 1964.