APA (7th ed.) Citation

United States Board on Geographic Names, United States. Geographic Names Division, & United States. Defense Mapping Agency. (1976). Portuguese Guinea: 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. Portuguese Guinea: Official Standard Names Approved by the United States Board on Geographic Names. [Washington, D.C.?]: [Defense Mapping Agency], 1976.

MLA (9th ed.) Citation

United States Board on Geographic Names, et al. Portuguese Guinea: Official Standard Names Approved by the United States Board on Geographic Names. [Defense Mapping Agency], 1976.