APA (7th ed.) Citation

Hess, B. B., & Markson, E. W. (1980). Aging % old age: An introduction to social gerontology. Macmillan.

Chicago Style (17th ed.) Citation

Hess, Beth B., and Elizabeth Warren Markson. Aging % Old Age: An Introduction to Social Gerontology. New York: Macmillan, 1980.

MLA (9th ed.) Citation

Hess, Beth B., and Elizabeth Warren Markson. Aging % Old Age: An Introduction to Social Gerontology. Macmillan, 1980.