Cita APA (7a ed.)

Cassel, C. K. (1997). Geriatric medicine (3rd ed.). Springer.

Cita Chicago Style (17a ed.)

Cassel, Christine K. Geriatric Medicine. 3rd ed. New York [etc.]: Springer, 1997.

Cita MLA (9a ed.)

Cassel, Christine K. Geriatric Medicine. 3rd ed. Springer, 1997.