APA (7th ed.) Citation

Bergener, M., Ermini, M., & Stähelin, H. (1986). Dimensions in aging. Academic.

Chicago Style (17th ed.) Citation

Bergener, Manfred, M. Ermini, and Hannes Stähelin. Dimensions in Aging. London: Academic, 1986.

MLA (9th ed.) Citation

Bergener, Manfred, et al. Dimensions in Aging. Academic, 1986.