Endangered species, the road to recovery

Chicago citation style
Endangered species, the road to recovery. 1981. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007419214. (Accessed September 22, 2018.)
APA citation style
(1981) Endangered species, the road to recovery. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007419214
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/007419214>.
Note: These citations are programmatically generated and may be incomplete.