Cloudy day, possibly at Discovery Bay, Jefferson County, date unknown

Chicago citation style
Unknown. Cloudy day, possibly at Discovery Bay, Jefferson County, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1816. (Accessed July 17, 2018.)
APA citation style
Unknown, Cloudy day, possibly at Discovery Bay, Jefferson County, date unknown. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1816
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/nps/id/1816>.
Note: These citations are programmatically generated and may be incomplete.