APA (7th ed.) Citation

Tolley, H. R. (1918). The use of machinery in cutting corn. U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Tolley, H. R. The Use of Machinery in Cutting Corn. Washington, D.C: U.S. Dept. of Agriculture, 1918.

MLA (9th ed.) Citation

Tolley, H. R. The Use of Machinery in Cutting Corn. U.S. Dept. of Agriculture, 1918.