APA (7th ed.) Citation

Osgood, N. J., & Sontz, A. H. L. (1989). The Science and practice of gerontology: A multidisciplinary guide. Greenwood Press.

Chicago Style (17th ed.) Citation

Osgood, Nancy J., and Ann H. L. Sontz. The Science and Practice of Gerontology: A Multidisciplinary Guide. New York: Greenwood Press, 1989.

MLA (9th ed.) Citation

Osgood, Nancy J., and Ann H. L. Sontz. The Science and Practice of Gerontology: A Multidisciplinary Guide. Greenwood Press, 1989.