APA (7th ed.) Citation

Hew, S., Loh, S., & Loong, T. (2001). The Gift of age. Retired & Senior Volunteer Programme.

Chicago Style (17th ed.) Citation

Hew, Shirley, Shova Loh, and Tuck Loong. The Gift of Age. Singapore: Retired & Senior Volunteer Programme, 2001.

MLA (9th ed.) Citation

Hew, Shirley, et al. The Gift of Age. Retired & Senior Volunteer Programme, 2001.