Cita APA (7a ed.)

Ttofi, M. M., Baldry, A. C., & Farrington, D. (2008). Effectiveness of Programmes to Reduce School Bullying. Swedish Council for Crime Prevention.

Cita Chicago Style (17a ed.)

Ttofi, Maria M., Anna Costanza Baldry, y David Farrington. Effectiveness of Programmes to Reduce School Bullying. [Erscheinungsort nicht ermittelbar]: Swedish Council for Crime Prevention, 2008.

Cita MLA (9a ed.)

Ttofi, Maria M., et al. Effectiveness of Programmes to Reduce School Bullying. Swedish Council for Crime Prevention, 2008.