APA (7th ed.) Citation

Trojanowicz, R. C. (1989). Preventing civil disturbances: A community policing approach. Community policing series.

Chicago Style (17th ed.) Citation

Trojanowicz, Robert C. "Preventing Civil Disturbances: A Community Policing Approach." Community Policing Series 1989.

MLA (9th ed.) Citation

Trojanowicz, Robert C. "Preventing Civil Disturbances: A Community Policing Approach." Community Policing Series, 1989.

Warning: These citations may not always be 100% accurate.