Conservation tillage : the farmer's edge in today's economy

Chicago citation style
Conservation tillage : the farmer's edge in today's economy. [1981]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007419128. (Accessed September 20, 2018.)
APA citation style
([1981]) Conservation tillage : the farmer's edge in today's economy. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007419128
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/007419128>.
Note: These citations are programmatically generated and may be incomplete.