Cita APA (7th ed.)

Orpinas, P., & Horne, A. M. (2006). Bullying prevention: Creating a positive school climate end developing social competence (1a. ed.). American Psychological Association.

Cita Chicago (17th ed.)

Orpinas, Pamela, i Arthur M. Horne. Bullying Prevention: Creating a Positive School Climate End Developing Social Competence. 1a. ed. Washington, D.C: American Psychological Association, 2006.

Cita MLA (9th ed.)

Orpinas, Pamela, i Arthur M. Horne. Bullying Prevention: Creating a Positive School Climate End Developing Social Competence. 1a. ed. American Psychological Association, 2006.