APA (7th ed.) Citation

Barkley, R. A. (2013). Defiant children: A clinician's manual for assessment and parent training (Third edition.). Guilford Publications.

Chicago Style (17th ed.) Citation

Barkley, Russell A. Defiant Children: A Clinician's Manual for Assessment and Parent Training. Third edition. New York: Guilford Publications, 2013.

MLA (9th ed.) Citation

Barkley, Russell A. Defiant Children: A Clinician's Manual for Assessment and Parent Training. Third edition. Guilford Publications, 2013.