Columbia River showing steamboat landing and railroad tracks, ca. 1882

Chicago citation style
Watkins, Carleton E., 1829-1916. Columbia River showing steamboat landing and railroad tracks, ca. 1882. ca. 1882. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/wastate/id/1622. (Accessed August 17, 2018.)
APA citation style
Watkins, Carleton E., 1829-1916, (ca. 1882) Columbia River showing steamboat landing and railroad tracks, ca. 1882. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/wastate/id/1622
MLA citation style
Watkins, Carleton E., 1829-1916. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/wastate/id/1622>.
Note: These citations are programmatically generated and may be incomplete.