Northern Pacific Railway trestle along hillside, Washington, ca. 1887

Chicago citation style
Davidson, Issac Grundy. Northern Pacific Railway trestle along hillside, Washington, ca. 1887. ca. 1887. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/wastate/id/2399. (Accessed July 18, 2018.)
APA citation style
Davidson, Issac Grundy, (ca. 1887) Northern Pacific Railway trestle along hillside, Washington, ca. 1887. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/wastate/id/2399
MLA citation style
Davidson, Issac Grundy. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/wastate/id/2399>.
Note: These citations are programmatically generated and may be incomplete.