APA

Mash E. J., Barkley R. A., . (2003). Child psychopathology. New York: The Guilford Press.

Chicago

Mash Eric J, Barkley Russell A, . 2003. Child psychopathology. New York: The Guilford Press.

Harvard

Mash E. J., Barkley R. A., . (2003). Child psychopathology. New York: The Guilford Press.

MLA

Mash Eric J, Barkley Russell A, . Child psychopathology. New York: The Guilford Press. 2003.