APA (7th ed.) Citation

Horgas, A. L., Wahl, H., & Baltes, M. M. (1996). Dependency in late life. The practical handbook of clinical gerontology.

Chicago Style (17th ed.) Citation

Horgas, Ann L., Hans-Werner Wahl, and Margret M. Baltes. "Dependency in Late Life." The Practical Handbook of Clinical Gerontology 1996.

MLA (9th ed.) Citation

Horgas, Ann L., et al. "Dependency in Late Life." The Practical Handbook of Clinical Gerontology, 1996.