APA (7th ed.) Citation

Spencer, M. G., & Dorr, C. J. (1975). Understanding aging: A multidisciplinary approach. Appleton-Century-Crofts.

Chicago Style (17th ed.) Citation

Spencer, Marian G., and Caroline J. Dorr. Understanding Aging: A Multidisciplinary Approach. New York: Appleton-Century-Crofts, 1975.

MLA (9th ed.) Citation

Spencer, Marian G., and Caroline J. Dorr. Understanding Aging: A Multidisciplinary Approach. Appleton-Century-Crofts, 1975.