Cita APA (7a ed.)

Barkley, R. A. (1987). Defiant children. Defiant children.

Cita Chicago Style (17a ed.)

Barkley, Russell A. "Defiant Children." Defiant Children 1987.

Cita MLA (9a ed.)

Barkley, Russell A. "Defiant Children." Defiant Children, 1987.