Cita APA (7a ed.)

Nicol, A. R. (1985). Longitudinal studies in child psychology and psychiatry. Wiley.

Cita Chicago Style (17a ed.)

Nicol, Arthur R. Longitudinal Studies in Child Psychology and Psychiatry. Chichester [u.a.]: Wiley, 1985.

Cita MLA (8a ed.)

Nicol, Arthur R. Longitudinal Studies in Child Psychology and Psychiatry. Wiley, 1985.