United States. Census Office & Walker, F. A. (1990). The vital statistics of the United States: Embracing the tables of deaths, births, sex and age, to which are added the statistics of the blind, the deaf and dumb, the insane, and the idiotic ; compiled, from the original returns of the ninth census, (June 1, 1870) under the direction of the Secretary of the Interior. Norman Ross Publishing.
Chicago Style (17th ed.) CitationUnited States. Census Office and Francis Amasa Walker. The Vital Statistics of the United States: Embracing the Tables of Deaths, Births, Sex and Age, to Which Are Added the Statistics of the Blind, the Deaf and Dumb, the Insane, and the Idiotic ; Compiled, from the Original Returns of the Ninth Census, (June 1, 1870) Under the Direction of the Secretary of the Interior. New York: Norman Ross Publishing, 1990.
MLA (8th ed.) CitationUnited States. Census Office and Francis Amasa Walker. The Vital Statistics of the United States: Embracing the Tables of Deaths, Births, Sex and Age, to Which Are Added the Statistics of the Blind, the Deaf and Dumb, the Insane, and the Idiotic ; Compiled, from the Original Returns of the Ninth Census, (June 1, 1870) Under the Direction of the Secretary of the Interior. Norman Ross Publishing, 1990.