APA (7th ed.) Citation

Smith, H. P., & Wilkes, L. H. (1976). Farm machinery and equipment (6th ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Smith, Harris Pearson, and Lambert Henry Wilkes. Farm Machinery and Equipment. 6th ed. New York: McGraw-Hill, 1976.

MLA (9th ed.) Citation

Smith, Harris Pearson, and Lambert Henry Wilkes. Farm Machinery and Equipment. 6th ed. McGraw-Hill, 1976.