APA

United States, . (1980). Census of Agriculture. [Washington]: U.S. Dept. of Commerce, Bureau of the Census : for sale by the Supt. of Docs., U.S. Govt. Print. Office.

Chicago

United States, . 1980. Census of Agriculture. [Washington]: U.S. Dept. of Commerce, Bureau of the Census : for sale by the Supt. of Docs., U.S. Govt. Print. Office.

Harvard

United States, . (1980). Census of Agriculture. [Washington]: U.S. Dept. of Commerce, Bureau of the Census : for sale by the Supt. of Docs., U.S. Govt. Print. Office.

MLA

United States, . Census of Agriculture. [Washington]: U.S. Dept. of Commerce, Bureau of the Census : for sale by the Supt. of Docs., U.S. Govt. Print. Office. 1980.