Colorado recreation opportunities

Chicago citation style
Colorado recreation opportunities. [1991]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/002566911. (Accessed December 19, 2018.)
APA citation style
([1991]) Colorado recreation opportunities. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/002566911
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/002566911>.
Note: These citations are programmatically generated and may be incomplete.