United States. Census Office. 7th Census, 1850. Seventh United States census, 1850. New York State Library.
Chicago Style (17th ed.) CitationUnited States. Census Office. 7th Census, 1850. Seventh United States Census, 1850. [Albany, N.Y.]: New York State Library.
MLA引文United States. Census Office. 7th Census, 1850. Seventh United States Census, 1850. New York State Library.
警告:這些引文格式不一定是100%准確.