APA (7th ed.) Citation

Flessner, C. A., & Piacentini, J. Clinical handbook of psychological disorders in children and adolescents: A step-by-step treatment manual.

Chicago Style (17th ed.) Citation

Flessner, Christopher A., and John Piacentini. Clinical Handbook of Psychological Disorders in Children and Adolescents: A Step-by-step Treatment Manual.

MLA (9th ed.) Citation

Flessner, Christopher A., and John Piacentini. Clinical Handbook of Psychological Disorders in Children and Adolescents: A Step-by-step Treatment Manual.

Warning: These citations may not always be 100% accurate.