APA (7th ed.) Citation

Barkley, R. A., Edwards, G. H., & Robin, A. L. (1999). Defiant teens: A clinician's manual for assessment and family intervention. The Guilford Press.

Chicago Style (17th ed.) Citation

Barkley, Russell A., Gwenyth H. Edwards, and Arthur L. Robin. Defiant Teens: A Clinician's Manual for Assessment and Family Intervention. New York: The Guilford Press, 1999.

MLA (8th ed.) Citation

Barkley, Russell A., et al. Defiant Teens: A Clinician's Manual for Assessment and Family Intervention. The Guilford Press, 1999.