APA (7th ed.) Citation

Forbush, E. H. (1955). A natural history of birds of eastern and central north america. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Forbush, Edward Howe. A Natural History of Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1955.

MLA (9th ed.) Citation

Forbush, Edward Howe. A Natural History of Birds of Eastern and Central North America. Houghton Mifflin, 1955.