Cita APA (7a ed.)

Campbell, S. B. (1986). Correlates and predictors of hyperactivity and aggression: A longitudinal study of parent-referred problem preschoolers. The journal of child psychology and psychiatry, 27(4), 217.

Cita Chicago Style (17a ed.)

Campbell, Susan B. "Correlates and Predictors of Hyperactivity and Aggression: A Longitudinal Study of Parent-referred Problem Preschoolers." The Journal of Child Psychology and Psychiatry 27, no. 4 (1986): 217.

Cita MLA (8a ed.)

Campbell, Susan B. "Correlates and Predictors of Hyperactivity and Aggression: A Longitudinal Study of Parent-referred Problem Preschoolers." The Journal of Child Psychology and Psychiatry, vol. 27, no. 4, 1986, p. 217.