Baldassarre, G. A. (2014). Ducks, geese, and swans of North America (Revised and updated edition.). Johns Hopkins University Press.
Chicago Style (17th ed.) CitationBaldassarre, Guy A. Ducks, Geese, and Swans of North America. Revised and updated edition. Baltimore: Johns Hopkins University Press, 2014.
MLA (8th ed.) CitationBaldassarre, Guy A. Ducks, Geese, and Swans of North America. Revised and updated edition. Johns Hopkins University Press, 2014.
Warning: These citations may not always be 100% accurate.