APA (7th ed.) Citation

Coulby, D., & Harper, T. (1985). Preventing classroom disruption: Policy, practice, and evaluation in urban schools. Croom Helm.

Chicago Style (17th ed.) Citation

Coulby, David, and Tim Harper. Preventing Classroom Disruption: Policy, Practice, and Evaluation in Urban Schools. London ; Dover, N.H.: Croom Helm, 1985.

MLA (9th ed.) Citation

Coulby, David, and Tim Harper. Preventing Classroom Disruption: Policy, Practice, and Evaluation in Urban Schools. Croom Helm, 1985.