Cita APA (7a ed.)

Schaie, K. W. (1983). Longitudinal studies of adult psychological development. Guilford Pr.

Cita Chicago Style (17a ed.)

Schaie, K. Warner. Longitudinal Studies of Adult Psychological Development. New York [u.a.]: Guilford Pr, 1983.

Cita MLA (9a ed.)

Schaie, K. Warner. Longitudinal Studies of Adult Psychological Development. Guilford Pr, 1983.