Lesser-known areas of the National Park System

Chicago citation style
Lesser-known areas of the National Park System. 1980. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007419039. (Accessed September 23, 2018.)
APA citation style
(1980) Lesser-known areas of the National Park System. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007419039
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/007419039>.
Note: These citations are programmatically generated and may be incomplete.