Cita APA

Calkins, E., Ford, A. B., & Katz, P. R. (1992). Practice of geriatrics (2. edition.). Philadelphia: W.B. Saunders.

Citación estilo Chicago

Calkins, Evan, Amasa B. Ford, y Paul Richard Katz. Practice of Geriatrics. 2. edition. Philadelphia: W.B. Saunders, 1992.

Cita MLA

Calkins, Evan, Amasa B. Ford, y Paul Richard Katz. Practice of Geriatrics. 2. edition. Philadelphia: W.B. Saunders, 1992.