APA (7th ed.) Citation

Facts on File, Inc, O'Brien, R., & Brown, R. D. (1985). The Encyclopedia of New England. Facts on File, Inc..

Chicago Style (17th ed.) Citation

Facts on File, Inc, Robert O'Brien, and Richard D. Brown. The Encyclopedia of New England. New York: Facts on File, Inc., 1985.

MLA (9th ed.) Citation

Facts on File, Inc, et al. The Encyclopedia of New England. Facts on File, Inc., 1985.