Tunnel #11 High Up the Canyon's Wall, C.P.R.R., B.C., Can

Chicago citation style
Not Known. Tunnel #11 High Up the Canyon's Wall, C.P.R.R., B.C., Can. [Date not indicated]. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2j49p4jx. (Accessed December 18, 2018.)
APA citation style
Not Known, ([Date not indicated]) Tunnel #11 High Up the Canyon's Wall, C.P.R.R., B.C., Can. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2j49p4jx
MLA citation style
Not Known. Retrieved from the Digital Public Library of America <http://ark.cdlib.org/ark:/13030/kt2j49p4jx>.
Note: These citations are programmatically generated and may be incomplete.