Cita APA (7th ed.)
Cooper, P., Smith, C., & Upton, G. (1994). Emotional and behavioural difficulties: Theory to practice. Routledge.
Cita Chicago (17th ed.)
Cooper, Paul, Colin Smith, i Graham Upton. Emotional and Behavioural Difficulties: Theory to Practice. London ; New York: Routledge, 1994.
Cita MLA (9th ed.)
Cooper, Paul, et al. Emotional and Behavioural Difficulties: Theory to Practice. Routledge, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.