Aphids on leafy vegetables : how to control them /

Chicago citation style
Aphids on leafy vegetables : how to control them /. 1981. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007419085. (Accessed December 10, 2018.)
APA citation style
(1981) Aphids on leafy vegetables : how to control them /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007419085
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/007419085>.
Note: These citations are programmatically generated and may be incomplete.