APA (7th ed.) Citation

Christiansen, J. L., Grzybowski, J. M., & Spreadbury, D. (1993). Biology of aging. Mosby.

Chicago Style (17th ed.) Citation

Christiansen, James L., John M. Grzybowski, and David Spreadbury. Biology of Aging. St. Louis: Mosby, 1993.

MLA (9th ed.) Citation

Christiansen, James L., et al. Biology of Aging. Mosby, 1993.