APA (7th ed.) Citation

Twining, C. (1988). Helping older people: A psychological approach. Wiley.

Chicago Style (17th ed.) Citation

Twining, Charles. Helping Older People: A Psychological Approach. Chichester New York: Wiley, 1988.

MLA (9th ed.) Citation

Twining, Charles. Helping Older People: A Psychological Approach. Wiley, 1988.