توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Holzer, J. C., Dew, A. J., Recupero, P. R., & Gill, P. Developing a risk assessment and intervention strategy: Future directions in research and practice. Lone-actor terrorism : an integrated framework.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Holzer, Jacob C., Andrea J. Dew, Patricia R. Recupero, و Paul Gill. "Developing a Risk Assessment and Intervention Strategy: Future Directions in Research and Practice." Lone-actor Terrorism : An Integrated Framework .

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Holzer, Jacob C., et al. "Developing a Risk Assessment and Intervention Strategy: Future Directions in Research and Practice." Lone-actor Terrorism : An Integrated Framework, .