Cita APA (7a ed.)

Pratt, M. W., & Norris, J. E. (1994). The social psychology of aging: A cognitive perspective. Blackwell.

Cita Chicago Style (17a ed.)

Pratt, Michael W., y Joan E. Norris. The Social Psychology of Aging: A Cognitive Perspective. Oxford [etc.]: Blackwell, 1994.

Cita MLA (9a ed.)

Pratt, Michael W., y Joan E. Norris. The Social Psychology of Aging: A Cognitive Perspective. Blackwell, 1994.