APA (7th ed.) Citation

Barkley, R. A., & Murphy, K. R. (1998). Attention-deficit hyperactivity disorder: A clinical workbook (2nd ed.). Guilford Press.

Chicago Style (17th ed.) Citation

Barkley, Russell A., and Kevin R. Murphy. Attention-deficit Hyperactivity Disorder: A Clinical Workbook. 2nd ed. New York: Guilford Press, 1998.

MLA (9th ed.) Citation

Barkley, Russell A., and Kevin R. Murphy. Attention-deficit Hyperactivity Disorder: A Clinical Workbook. 2nd ed. Guilford Press, 1998.