APA (7th ed.) Citation

Mash, E. J., & Barkley, R. A. (2014). Child psychopathology (third edition.). Guilford Press.

Chicago Style (17th ed.) Citation

Mash, Eric J., and Russell A. Barkley. Child Psychopathology. third edition. New York London: Guilford Press, 2014.

MLA (9th ed.) Citation

Mash, Eric J., and Russell A. Barkley. Child Psychopathology. third edition. Guilford Press, 2014.