APA (7th ed.) Citation

Plett, P. C., & Lester, B. T. (1991). Training for older people: A handbook (1. publ.). Internat. Labour Office.

Chicago Style (17th ed.) Citation

Plett, Peter C., and Brenda T. Lester. Training for Older People: A Handbook. 1. publ. Geneva: Internat. Labour Office, 1991.

MLA (9th ed.) Citation

Plett, Peter C., and Brenda T. Lester. Training for Older People: A Handbook. 1. publ. Internat. Labour Office, 1991.