Cita APA (7a ed.)

Britton, J. H., & Britton, J. O. (1972). Personality changes in aging: A longitudinal study of community residents. Springer.

Cita Chicago Style (17a ed.)

Britton, Joseph H., y Jean O. Britton. Personality Changes in Aging: A Longitudinal Study of Community Residents. New York: Springer, 1972.

Cita MLA (9a ed.)

Britton, Joseph H., y Jean O. Britton. Personality Changes in Aging: A Longitudinal Study of Community Residents. Springer, 1972.