United States. Bureau of the Census, Historical Society of Montana, & Prechtel-Kluskens, C. (1997). Nonpopulation census schedules for Montana, 1870 and 1880 (M1806). National Archives and Records Administration.
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census, Historical Society of Montana, and Claire Prechtel-Kluskens. Nonpopulation Census Schedules for Montana, 1870 and 1880 (M1806). Washington, District of Columbia: National Archives and Records Administration, 1997.
MLA (8th ed.) CitationUnited States. Bureau of the Census, et al. Nonpopulation Census Schedules for Montana, 1870 and 1880 (M1806). National Archives and Records Administration, 1997.
Warning: These citations may not always be 100% accurate.