APA (7th ed.) Citation

Lawrence, J., Steed, D., & Young, P. (1984). Disruptive children - disruptive schools? Helm.

Chicago Style (17th ed.) Citation

Lawrence, Jean, David Steed, and Pamela Young. Disruptive Children - Disruptive Schools? London u.a: Helm, 1984.

MLA (9th ed.) Citation

Lawrence, Jean, et al. Disruptive Children - Disruptive Schools? Helm, 1984.