United States. National Archives and Records Administration & National Archives Trust Fund Board. (2002). The 1930 federal population census: Catalog of National Archives microfilm. National Archives Trust Fund Board.
Cita Chicago Style (17a ed.)United States. National Archives and Records Administration y National Archives Trust Fund Board. The 1930 Federal Population Census: Catalog of National Archives Microfilm. Washington, D.C.: National Archives Trust Fund Board, 2002.
Cita MLA (8a ed.)United States. National Archives and Records Administration y National Archives Trust Fund Board. The 1930 Federal Population Census: Catalog of National Archives Microfilm. National Archives Trust Fund Board, 2002.
Precaución: Estas citas no son 100% exactas.