توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Umbach, G. H. (2011). The last neighborhood cops: The rise and fall of community policing in New York public housing. Rutgers University Press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Umbach, Gregory Holcomb. The Last Neighborhood Cops: The Rise and Fall of Community Policing in New York Public Housing. New Brunswick, N.J.: Rutgers University Press, 2011.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Umbach, Gregory Holcomb. The Last Neighborhood Cops: The Rise and Fall of Community Policing in New York Public Housing. Rutgers University Press, 2011.