APA (7th ed.) Citation

Hill, R. D. (2005). Positive aging: A guide for mental health professionals and consumers. W.W. Norton.

Chicago Style (17th ed.) Citation

Hill, Robert D. Positive Aging: A Guide for Mental Health Professionals and Consumers. New York [etc.]: W.W. Norton, 2005.

MLA (9th ed.) Citation

Hill, Robert D. Positive Aging: A Guide for Mental Health Professionals and Consumers. W.W. Norton, 2005.