APA (7th ed.) Citation

United States Board on Geographic Names, United States. Department of the Interior. Division of Geography, & United States. Defense Mapping Agency. (1950). Preliminary gazetteer: Switzerland, 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. Department of the Interior. Division of Geography, and United States. Defense Mapping Agency. Preliminary Gazetteer: Switzerland, Official Standard Names Approved by the United States Board on Geographic Names. [Washington, D.C.?]: [Defense Mapping Agency], 1950.

MLA (9th ed.) Citation

United States Board on Geographic Names, et al. Preliminary Gazetteer: Switzerland, Official Standard Names Approved by the United States Board on Geographic Names. [Defense Mapping Agency], 1950.