APA (7th ed.) Citation

Johan, O., René, V., EMC, J. D., C, V. F., & A, R. S. (2011). Early risk factors for being a bully, victim, or bully/victim in late elementary and early secondary education. The longitudinal TRAILS study. BMC.

Chicago Style (17th ed.) Citation

Johan, Ormel, Veenstra René, Jansen Danielle EMC, Verhulst Frank C, and Reijneveld Sijmen A. Early Risk Factors for Being a Bully, Victim, or Bully/victim in Late Elementary and Early Secondary Education. The Longitudinal TRAILS Study. BMC, 2011.

MLA (8th ed.) Citation

Johan, Ormel, et al. Early Risk Factors for Being a Bully, Victim, or Bully/victim in Late Elementary and Early Secondary Education. The Longitudinal TRAILS Study. BMC, 2011.