Cita APA (7th ed.)

Salthouse, T. A. (1985). A theory of cognitive aging. North-Holland.

Cita Chicago (17th ed.)

Salthouse, Timothy A. A Theory of Cognitive Aging. Amsterdam: North-Holland, 1985.

Cita MLA (9th ed.)

Salthouse, Timothy A. A Theory of Cognitive Aging. North-Holland, 1985.