Dyfyniad APA

United States. Census Office. 10th Census, 1880. (1973). [U.S. Census, 1880. New York State Library.

Dyfyniad Arddull Chicago

United States. Census Office. 10th Census, 1880. [U.S. Census, 1880. Albany, N.Y.: New York State Library, 1973.

Dyfyniad MLA

United States. Census Office. 10th Census, 1880. [U.S. Census, 1880. New York State Library, 1973.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.