Two farmers display a rhubarb plant on a farm in Kent, Washington, April 15, 1976

Chicago citation style
Wallen, Don, Unidentified. Two farmers display a rhubarb plant on a farm in Kent, Washington, April 15, 1976. 1976. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hupy/id/1064. (Accessed October 21, 2018.)
APA citation style
Wallen, Don, Unidentified, (1976) Two farmers display a rhubarb plant on a farm in Kent, Washington, April 15, 1976. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hupy/id/1064
MLA citation style
Wallen, Don, Unidentified. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hupy/id/1064>.
Note: These citations are programmatically generated and may be incomplete.