United States. National Archives and Records Service, United States. Census Office, & Heritage Quest Genealogical Services. (1962). Index (soundex) to the population schedules of the tenth census of the United States, 1880. National Archives and Records Service.
Style de citation Chicago (17e éd.)United States. National Archives and Records Service, United States. Census Office, et Heritage Quest Genealogical Services. Index (soundex) to the Population Schedules of the Tenth Census of the United States, 1880. Washington, D.C.: National Archives and Records Service, 1962.
Style de citation MLA (8e éd.)United States. National Archives and Records Service, et al. Index (soundex) to the Population Schedules of the Tenth Census of the United States, 1880. National Archives and Records Service, 1962.