Great Northern Railway pioneer tunnel breakthrough, May 1, 1928

Chicago citation style
Pickett, Lee. Great Northern Railway pioneer tunnel breakthrough, May 1, 1928. 1928. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmohai/id/6940. (Accessed October 21, 2018.)
APA citation style
Pickett, Lee, (1928) Great Northern Railway pioneer tunnel breakthrough, May 1, 1928. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmohai/id/6940
MLA citation style
Pickett, Lee. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmohai/id/6940>.
Note: These citations are programmatically generated and may be incomplete.