Hop fields

Chicago citation style
Hop fields. 1920. Retrieved from the Digital Public Library of America, http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/2244. (Accessed December 17, 2018.)
APA citation style
(1920) Hop fields. Retrieved from the Digital Public Library of America, http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/2244
MLA citation style
Retrieved from the Digital Public Library of America <http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/2244>.
Note: These citations are programmatically generated and may be incomplete.