APA (7th ed.) Citation

Wagorn, Y., Théberge, S., & Orban, W. A. R. (1991). Healthy happy aging. GSPH.

Chicago Style (17th ed.) Citation

Wagorn, Yvonne, Sonia Théberge, and William A. R. Orban. Healthy Happy Aging. Burnstown, Ont.: GSPH, 1991.

MLA (9th ed.) Citation

Wagorn, Yvonne, et al. Healthy Happy Aging. GSPH, 1991.