Hop pickers standing on a platform and a wagon

Chicago citation style
Hop pickers standing on a platform and a wagon. 1896?. Retrieved from the Digital Public Library of America, http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/3645. (Accessed December 10, 2018.)
APA citation style
(1896?) Hop pickers standing on a platform and a wagon. Retrieved from the Digital Public Library of America, http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/3645
MLA citation style
Retrieved from the Digital Public Library of America <http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/3645>.
Note: These citations are programmatically generated and may be incomplete.