Kortright, F. H. (1943). The ducks, geese and swans of North American: A vade mecum. Washington, D. C.: American Wildlife Institute.
Chicago Style CitationKortright, Francis H. The Ducks, Geese and Swans of North American: A Vade Mecum. Washington, D. C.: American Wildlife Institute, 1943.
MLA CitationKortright, Francis H. The Ducks, Geese and Swans of North American: A Vade Mecum. Washington, D. C.: American Wildlife Institute, 1943.
Warning: These citations may not always be 100% accurate.