APA (7th ed.) Citation

United States Board on Geographic Names, United States. Geographic Names Division, & United States. Defense Mapping Agency. (1968). Gambia, official standard names approved by the United States Board on Geographic Names. [Defense Mapping Agency].

Chicago Style (17th ed.) Citation

United States Board on Geographic Names, United States. Geographic Names Division, and United States. Defense Mapping Agency. Gambia, Official Standard Names Approved by the United States Board on Geographic Names. [Washington, D.C.?]: [Defense Mapping Agency], 1968.

MLA (9th ed.) Citation

United States Board on Geographic Names, et al. Gambia, Official Standard Names Approved by the United States Board on Geographic Names. [Defense Mapping Agency], 1968.