Cita APA (7a ed.)

Maddox, G. L. (1987). The encyclopedia of aging. Springer.

Cita Chicago Style (17a ed.)

Maddox, George L. The Encyclopedia of Aging. New York: Springer, 1987.

Cita MLA (9a ed.)

Maddox, George L. The Encyclopedia of Aging. Springer, 1987.