APA-referens (7:e uppl.)

United States. National Archives and Records Administration, United States. Census Office, & Heritage Quest Genealogical Services. [12th census of population, 1900. National Archives and Records Administration.

Chicago-referens (17:e uppl.)

United States. National Archives and Records Administration, United States. Census Office, och Heritage Quest Genealogical Services. [12th Census of Population, 1900. [Washington, D.C.: National Archives and Records Administration.

MLA-referens (8:e uppl.)

United States. National Archives and Records Administration, et al. [12th Census of Population, 1900. National Archives and Records Administration.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.