APA (7th ed.) Citation

Calkins, E., Ford, A. B., & Katz, P. R. (1992). Practice of geriatrics (2nd ed.). Saunders.

Chicago Style (17th ed.) Citation

Calkins, Evan, Amasa B. Ford, and Paul R. Katz. Practice of Geriatrics. 2nd ed. Philadelphia, PA: Saunders, 1992.

MLA (9th ed.) Citation

Calkins, Evan, et al. Practice of Geriatrics. 2nd ed. Saunders, 1992.