United States. Census Office. (1990). Sixth census, or, Enumeration of the inhabitants of the United States: As corrected at the Department of State, in 1840. Norman Ross Publishing.
Chicago Style (17th ed.) CitationUnited States. Census Office. Sixth Census, or, Enumeration of the Inhabitants of the United States: As Corrected at the Department of State, in 1840. New York: Norman Ross Publishing, 1990.
MLA (8th ed.) CitationUnited States. Census Office. Sixth Census, or, Enumeration of the Inhabitants of the United States: As Corrected at the Department of State, in 1840. Norman Ross Publishing, 1990.
Warning: These citations may not always be 100% accurate.