The Colorado canyon - some of its lessons

Chicago citation style
Davis, William Morris, 1850-1934. The Colorado canyon - some of its lessons. 1909?]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/102288644. (Accessed September 22, 2018.)
APA citation style
Davis, William Morris, 1850-1934, (1909?]) The Colorado canyon - some of its lessons. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/102288644
MLA citation style
Davis, William Morris, 1850-1934. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/102288644>.
Note: These citations are programmatically generated and may be incomplete.