In the Trinchera Pass, Raton Mountain, Southern Colorado, 620 miles from Missouri River

Chicago citation style
Gardner, Alexander, 1821-1882. In the Trinchera Pass, Raton Mountain, Southern Colorado, 620 miles from Missouri River. 1867-1869. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/70796f130. (Accessed July 18, 2018.)
APA citation style
Gardner, Alexander, 1821-1882, (1867-1869) In the Trinchera Pass, Raton Mountain, Southern Colorado, 620 miles from Missouri River. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/70796f130
MLA citation style
Gardner, Alexander, 1821-1882. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/70796f130>.
Note: These citations are programmatically generated and may be incomplete.