Citação norma APA

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

Citação norma 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.

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.