Mostly finished Northern Pacific Railway trestle during winter, Washington, ca. 1887

Chicago citation style
Davidson, Issac Grundy. Mostly finished Northern Pacific Railway trestle during winter, Washington, ca. 1887. ca. 1887. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/wastate/id/2379. (Accessed June 24, 2018.)
APA citation style
Davidson, Issac Grundy, (ca. 1887) Mostly finished Northern Pacific Railway trestle during winter, Washington, ca. 1887. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/wastate/id/2379
MLA citation style
Davidson, Issac Grundy. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/wastate/id/2379>.
Note: These citations are programmatically generated and may be incomplete.