Quick reference for thinning black walnut /

Chicago citation style
Quick reference for thinning black walnut /. 1981. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007419147. (Accessed September 22, 2018.)
APA citation style
(1981) Quick reference for thinning black walnut /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007419147
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/007419147>.
Note: These citations are programmatically generated and may be incomplete.