Fries, W. H. (1974). The double elephant folio: The story of Audubon's Birds of America. American Library Association.
Citace podle Chicago (17th ed.)Fries, Waldemar H. The Double Elephant Folio: The Story of Audubon's Birds of America. Chicago: American Library Association, 1974.
Citace podle MLA (9th ed.)Fries, Waldemar H. The Double Elephant Folio: The Story of Audubon's Birds of America. American Library Association, 1974.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..