APA-referens (7:e uppl.)
Alexander, P. (1991). Commonwealth of wings: An ornithological biography based on the life of John James Audubon. University Press of New England.
Chicago-referens (17:e uppl.)
Alexander, Pamela. Commonwealth of Wings: An Ornithological Biography Based on the Life of John James Audubon. Hanover, N.H.: University Press of New England, 1991.
MLA-referens (9:e uppl.)
Alexander, Pamela. Commonwealth of Wings: An Ornithological Biography Based on the Life of John James Audubon. University Press of New England, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.