Engineers and surveyors on the site of the Great Northern Railway Cascade Tunnel construction, ca. 1926

Chicago citation style
Pickett, Lee. Engineers and surveyors on the site of the Great Northern Railway Cascade Tunnel construction, ca. 1926. ca. 1926. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/440. (Accessed June 19, 2018.)
APA citation style
Pickett, Lee, (ca. 1926) Engineers and surveyors on the site of the Great Northern Railway Cascade Tunnel construction, ca. 1926. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/440
MLA citation style
Pickett, Lee. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/440>.
Note: These citations are programmatically generated and may be incomplete.