APA (7th ed.) Citation

United States. Department of the Interior. Division of Geography & United States. Defense Mapping Agency. (1950). Preliminary gazetteer: Ireland. [Defense Mapping Agency].

Chicago Style (17th ed.) Citation

United States. Department of the Interior. Division of Geography and United States. Defense Mapping Agency. Preliminary Gazetteer: Ireland. [Washington, D.C.?]: [Defense Mapping Agency], 1950.

MLA (9th ed.) Citation

United States. Department of the Interior. Division of Geography and United States. Defense Mapping Agency. Preliminary Gazetteer: Ireland. [Defense Mapping Agency], 1950.