Fries, W. H. (1973). The double elephant folio: The story of Audubon's birds of America. American Library Association.
Chicago Style (17th ed.) CitationFries, Waldemar H. The Double Elephant Folio: The Story of Audubon's Birds of America. Chicago: American Library Association, 1973.
MLA (9th ed.) CitationFries, Waldemar H. The Double Elephant Folio: The Story of Audubon's Birds of America. American Library Association, 1973.
Warning: These citations may not always be 100% accurate.