APA (7th ed.) Citation

Hampel, P., Manhal, S., & Hayer, T. (2009). Direct and Relational Bullying among Children and Adolescents: Coping and Psychological Adjustment. School Psychology International, 30(5), 474. https://doi.org/10.1177/0143034309107066

Chicago Style (17th ed.) Citation

Hampel, Petra, Simone Manhal, and Tobias Hayer. "Direct and Relational Bullying Among Children and Adolescents: Coping and Psychological Adjustment." School Psychology International 30, no. 5 (2009): 474. https://doi.org/10.1177/0143034309107066.

MLA (9th ed.) Citation

Hampel, Petra, et al. "Direct and Relational Bullying Among Children and Adolescents: Coping and Psychological Adjustment." School Psychology International, vol. 30, no. 5, 2009, p. 474, https://doi.org/10.1177/0143034309107066.