Train descending Pike's Peak, on the famous cog railway, Colorado, U.S.A

Chicago citation style
Train descending Pike's Peak, on the famous cog railway, Colorado, U.S.A. 1906. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/9880vx98z. (Accessed July 21, 2018.)
APA citation style
(1906) Train descending Pike's Peak, on the famous cog railway, Colorado, U.S.A. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/9880vx98z
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/9880vx98z>.
Note: These citations are programmatically generated and may be incomplete.