Cita APA (7a ed.)

Casella, R. (2001). At zero tolerance: Punishment, prevention, and school violence. Adolescent cultures, school & society.

Cita Chicago Style (17a ed.)

Casella, Ronnie. "At Zero Tolerance: Punishment, Prevention, and School Violence." Adolescent Cultures, School & Society 2001.

Cita MLA (8a ed.)

Casella, Ronnie. "At Zero Tolerance: Punishment, Prevention, and School Violence." Adolescent Cultures, School & Society, 2001.