APA (7th ed.) Citation

Ricklefs, R. E., & Finch, G. E. (1995). Aging: A natural history. Scientific American Library.

Chicago Style (17th ed.) Citation

Ricklefs, Robert E., and Galeb E. Finch. Aging: A Natural History. New York, NY: Scientific American Library, 1995.

MLA (8th ed.) Citation

Ricklefs, Robert E., and Galeb E. Finch. Aging: A Natural History. Scientific American Library, 1995.