APA (7th ed.) Citation

United States. Census Office. 7th census, 1850. (1850). Seventh census of the United States, 1850. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Census Office. 7th census, 1850. Seventh Census of the United States, 1850. [Place of publication not identified]: [publisher not identified], 1850.

MLA (9th ed.) Citation

United States. Census Office. 7th census, 1850. Seventh Census of the United States, 1850. [publisher not identified], 1850.