APA (7th ed.) Citation

Forbush, E. H., May, J. B., Fuertes, L. A., Brooks, A., & Peterson, R. T. (1939). Natural history of the birds of eastern and central North America. Houghton Mifflin company.

Chicago Style (17th ed.) Citation

Forbush, Edward Howe, John Bichard May, Louis Agassiz Fuertes, Allan Brooks, and Roger Tory Peterson. Natural History of the Birds of Eastern and Central North America. Boston: Houghton Mifflin company, 1939.

MLA (9th ed.) Citation

Forbush, Edward Howe, et al. Natural History of the Birds of Eastern and Central North America. Houghton Mifflin company, 1939.