APA (7th ed.) Citation

Roy, F. H., & Russell, C. H. (1992). The encyclopedia of aging and the elderly. Facts on File.

Chicago Style (17th ed.) Citation

Roy, Frederick Hampton, and Charles H. Russell. The Encyclopedia of Aging and the Elderly. New York: Facts on File, 1992.

MLA (9th ed.) Citation

Roy, Frederick Hampton, and Charles H. Russell. The Encyclopedia of Aging and the Elderly. Facts on File, 1992.