Forbush, E. H. (1939). A natural history of American birds of eastern and central North America. Houghton Mifflin Co.
Chicago Style (17th ed.) CitationForbush, Edward Howe. A Natural History of American Birds of Eastern and Central North America. Boston: Houghton Mifflin Co, 1939.
MLA (9th ed.) CitationForbush, Edward Howe. A Natural History of American Birds of Eastern and Central North America. Houghton Mifflin Co, 1939.
Warning: These citations may not always be 100% accurate.