Frick, P. J., & Lahey, B. B. (1991). The nature and characteristics of attention-deficit hyperactivity disorder. School psychology review, 20(2), 163-173.
Chicago-Zitierstil (17. Ausg.)Frick, P. J., und B. B. Lahey. "The Nature and Characteristics of Attention-deficit Hyperactivity Disorder." School Psychology Review 20, no. 2 (1991): 163-173.
MLA-Zitierstil (9. Ausg.)Frick, P. J., und B. B. Lahey. "The Nature and Characteristics of Attention-deficit Hyperactivity Disorder." School Psychology Review, vol. 20, no. 2, 1991, pp. 163-173.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.