Style de citation APA (7e éd.)

United States. Department of Agriculture. (1927). Circular. U.S. Dept. of Agriculture : [for sale by the Supt. of Docs., U.S. G.P.O..

Style de citation Chicago (17e éd.)

United States. Department of Agriculture. Circular. [Washington]: U.S. Dept. of Agriculture : [for sale by the Supt. of Docs., U.S. G.P.O., 1927.

Style de citation MLA (8e éd.)

United States. Department of Agriculture. Circular. U.S. Dept. of Agriculture : [for sale by the Supt. of Docs., U.S. G.P.O., 1927.