APA引文

United States. Census Office. 7th Census, 1850, & United States. Census Office. (1850). U.S. Census, 1850. Govt. Print. Office.

Chicago Style (17th ed.) Citation

United States. Census Office. 7th Census, 1850, and United States. Census Office. U.S. Census, 1850. [Washington, D.C.: Govt. Print. Office, 1850.

MLA引文

United States. Census Office. 7th Census, 1850, and United States. Census Office. U.S. Census, 1850. Govt. Print. Office, 1850.