Regional crop yield response for U.S. grains /

Chicago citation style
Ash, Mark S. Regional crop yield response for U.S. grains /. 1987. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394505. (Accessed December 10, 2018.)
APA citation style
Ash, Mark S, (1987) Regional crop yield response for U.S. grains /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394505
MLA citation style
Ash, Mark S. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011394505>.
Note: These citations are programmatically generated and may be incomplete.