APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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