Great Northern Railway switchback, ca. 1892

Chicago citation style
Wilse, Anders B.. Great Northern Railway switchback, ca. 1892. ca. 1892. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmohai/id/6436. (Accessed July 19, 2018.)
APA citation style
Wilse, Anders B., (ca. 1892) Great Northern Railway switchback, ca. 1892. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmohai/id/6436
MLA citation style
Wilse, Anders B.. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmohai/id/6436>.
Note: These citations are programmatically generated and may be incomplete.