Waterfowl regulations : why and how?

Chicago citation style
Waterfowl regulations : why and how?. [1980?]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007419213. (Accessed December 11, 2018.)
APA citation style
([1980?]) Waterfowl regulations : why and how?. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007419213
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/007419213>.
Note: These citations are programmatically generated and may be incomplete.