APA (7th ed.) Citation

Posner, R. A. (1995). Aging and old age. University of Chicago Press.

Chicago Style (17th ed.) Citation

Posner, Richard A. Aging and Old Age. Chicago: University of Chicago Press, 1995.

MLA (9th ed.) Citation

Posner, Richard A. Aging and Old Age. University of Chicago Press, 1995.

Warning: These citations may not always be 100% accurate.