APA Edition Citation

Gill, W. R., & Vanden Berg, G. E. (1967). Soil dynamics in tillage and traction. Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off..

Chicago Edition Citation

Gill, William R., and Glen E. Vanden Berg. Soil Dynamics in Tillage and Traction. [Washington]: Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1967.

MLA Edition Citation

Gill, William R., and Glen E. Vanden Berg. Soil Dynamics in Tillage and Traction. Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1967.