Cita APA (7a ed.)

Pellegrini, A. D., Bartini, M., & Brooks, F. (1999). School bullies, victims, and aggressive victims: Factors relating to group affiliation and victimization in early adolescence.

Cita Chicago Style (17a ed.)

Pellegrini, Anthony D., Maria Bartini, y Fred Brooks. School Bullies, Victims, and Aggressive Victims: Factors Relating to Group Affiliation and Victimization in Early Adolescence. 1999.

Cita MLA (8a ed.)

Pellegrini, Anthony D., et al. School Bullies, Victims, and Aggressive Victims: Factors Relating to Group Affiliation and Victimization in Early Adolescence. 1999.