APA (7th ed.) Citation

Wolff, K. (1959). The biological, sociological and psychological aspects of aging. Thomas.

Chicago Style (17th ed.) Citation

Wolff, Kurt. The Biological, Sociological and Psychological Aspects of Aging. Springfield, Ill: Thomas, 1959.

MLA (9th ed.) Citation

Wolff, Kurt. The Biological, Sociological and Psychological Aspects of Aging. Thomas, 1959.

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