White Pass Trail, also known as the Dead Horse Trail, ca. 1898

Chicago citation style
Barley, H. C. (Harrie C.), d. 1909. White Pass Trail, also known as the Dead Horse Trail, ca. 1898. ca. 1898. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/alaskawcanada/id/1415. (Accessed April 25, 2018.)
APA citation style
Barley, H. C. (Harrie C.), d. 1909, (ca. 1898) White Pass Trail, also known as the Dead Horse Trail, ca. 1898. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/alaskawcanada/id/1415
MLA citation style
Barley, H. C. (Harrie C.), d. 1909. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/alaskawcanada/id/1415>.
Note: These citations are programmatically generated and may be incomplete.