Cita APA (7th ed.)

Belsky, J. (1999). The psychology of aging: Theory, research, and interventions (3rd ed.).

Cita Chicago (17th ed.)

Belsky, Janet. The Psychology of Aging: Theory, Research, and Interventions. 3rd ed. Pacific Grove, CA. Brooks/Cole, 1999.

Cita MLA (9th ed.)

Belsky, Janet. The Psychology of Aging: Theory, Research, and Interventions. 3rd ed. 1999.