Cita APA

U.S. Census Bureau & United States. National Archives and Records Administration. (2002). 15th census, population, 1930. National Archives and Records Administration.

Citación estilo Chicago

U.S. Census Bureau and United States. National Archives and Records Administration. 15th Census, Population, 1930. [Washington, D.C.: National Archives and Records Administration, 2002.

Cita MLA

U.S. Census Bureau and United States. National Archives and Records Administration. 15th Census, Population, 1930. National Archives and Records Administration, 2002.