APA Edition Citation

Emerson, E., & Einfeld, S. L. (2011). Challenging behaviour (3rd ed.). Cambridge University Press.

Chicago Edition Citation

Emerson, Eric, and Stewart L. Einfeld. Challenging Behaviour. 3rd ed. Cambridge, UK ; New York: Cambridge University Press, 2011.

MLA Edition Citation

Emerson, Eric, and Stewart L. Einfeld. Challenging Behaviour. 3rd ed. Cambridge University Press, 2011.