Sagging grade near Mile 170 of Copper River and Northwestern Railway, Alaska, circa 1914

Chicago citation style
Hunt, P. S. (Phinney S.), 1866-1917. Sagging grade near Mile 170 of Copper River and Northwestern Railway, Alaska, circa 1914. ca. 1914. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/alaskawcanada/id/5539. (Accessed July 23, 2018.)
APA citation style
Hunt, P. S. (Phinney S.), 1866-1917, (ca. 1914) Sagging grade near Mile 170 of Copper River and Northwestern Railway, Alaska, circa 1914. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/alaskawcanada/id/5539
MLA citation style
Hunt, P. S. (Phinney S.), 1866-1917. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/alaskawcanada/id/5539>.
Note: These citations are programmatically generated and may be incomplete.