Gill, W. R., & Vanden Berd, G. E. (2013). Soil dynamics in tillage and traction. Scientific.
Chicago Edition CitationGill, William R., and Glen E. Vanden Berd. Soil Dynamics in Tillage and Traction. India: Scientific, 2013.
MLA Edition CitationGill, William R., and Glen E. Vanden Berd. Soil Dynamics in Tillage and Traction. Scientific, 2013.
Warning: These citations may not always be 100% accurate.