Παραπομπή σε μορφή APA (7η εκδ.)

United States. National Archives and Records Service. (1962). Index (soundex) to the population schedules of the tenth census of the United States, 1880, [Maryland]. National Archives and Records Service.

Παραπομπή σε μορφή Chicago (17η εκδ.)

United States. National Archives and Records Service. Index (soundex) to the Population Schedules of the Tenth Census of the United States, 1880, [Maryland]. Washington: National Archives and Records Service, 1962.

Παραπομπή σε μορφή MLA (8th εκδ.)

United States. National Archives and Records Service. Index (soundex) to the Population Schedules of the Tenth Census of the United States, 1880, [Maryland]. National Archives and Records Service, 1962.