APA (7th ed.) Citation

Bashford, L. L., & Shelton, D. P. (1977). Tractor ballasting. University of Nebraska, Dept. of Agricultural Engineering.

Chicago Style (17th ed.) Citation

Bashford, Leonard L., and David P. Shelton. Tractor Ballasting. [Lincoln]: University of Nebraska, Dept. of Agricultural Engineering, 1977.

MLA (9th ed.) Citation

Bashford, Leonard L., and David P. Shelton. Tractor Ballasting. University of Nebraska, Dept. of Agricultural Engineering, 1977.