APA (7th ed.) Citation

Fries, J. F., & Crapo, L. M. (1981). Vitality and aging: Implications of the rectangular curve. W. H. Freeman and Company.

Chicago Style (17th ed.) Citation

Fries, James F., and Lawrence M. Crapo. Vitality and Aging: Implications of the Rectangular Curve. San Francisco: W. H. Freeman and Company, 1981.

MLA (8th ed.) Citation

Fries, James F., and Lawrence M. Crapo. Vitality and Aging: Implications of the Rectangular Curve. W. H. Freeman and Company, 1981.