Cita APA (7th ed.)

Emerson, E. (1995). Challenging behaviour: Analysis and intervention in people with learning disabilities. Cambridge University Press.

Cita Chicago (17th ed.)

Emerson, Eric. Challenging Behaviour: Analysis and Intervention in People with Learning Disabilities. Cambridge: Cambridge University Press, 1995.

Cita MLA (9th ed.)

Emerson, Eric. Challenging Behaviour: Analysis and Intervention in People with Learning Disabilities. Cambridge University Press, 1995.