United States standards for grades of potatoes : effective March 27, 1991.

MLA

United States. United States standards for grades of potatoes : effective March 27, 1991. [Washington, D.C.] : U.S. Dept. of Agriculture, Agricultural Marketing Service, Fruits and Vegetable Division, Fresh Products Branch, [1997 printing]

APA

United States. (1997). United States standards for grades of potatoes : effective March 27, 1991. [Washington, D.C.] : U.S. Dept. of Agriculture, Agricultural Marketing Service, Fruits and Vegetable Division, Fresh Products Branch.

Chicago

United States. United States standards for grades of potatoes : effective March 27, 1991. [Washington, D.C.] : U.S. Dept. of Agriculture, Agricultural Marketing Service, Fruits and Vegetable Division, Fresh Products Branch, [1997 printing]