Cita APA (7th ed.)

Caldwell, E., & Hegner, B. R. (1986). Geriatrics: A study of maturity (4th ed.). Delmar Pub.

Cita Chicago (17th ed.)

Caldwell, Esther, i Barbara R. Hegner. Geriatrics: A Study of Maturity. 4th ed. Albany, NY: Delmar Pub, 1986.

Cita MLA (9th ed.)

Caldwell, Esther, i Barbara R. Hegner. Geriatrics: A Study of Maturity. 4th ed. Delmar Pub, 1986.