APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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