Tom and Eric Marshall in the Marshall Ranch apple orchard with Tom's John Deere tractor, circa 1992

Chicago citation style
Tom and Eric Marshall in the Marshall Ranch apple orchard with Tom's John Deere tractor, circa 1992. 1992. Retrieved from the Digital Public Library of America, http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll11/id/7668. (Accessed December 13, 2018.)
APA citation style
(1992) Tom and Eric Marshall in the Marshall Ranch apple orchard with Tom's John Deere tractor, circa 1992. Retrieved from the Digital Public Library of America, http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll11/id/7668
MLA citation style
Retrieved from the Digital Public Library of America <http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll11/id/7668>.
Note: These citations are programmatically generated and may be incomplete.