Chaco Canyon national monument, New Mexico

Chicago citation style
United States. National Park Service. Chaco Canyon national monument, New Mexico. 1941]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001875168. (Accessed September 20, 2018.)
APA citation style
United States. National Park Service, (1941]) Chaco Canyon national monument, New Mexico. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001875168
MLA citation style
United States. National Park Service. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001875168>.
Note: These citations are programmatically generated and may be incomplete.