Heller, N. B. (1972). The use of an incident seriousness index in the development of police patrol manpower: Methods and conclusions. NTIS.
Chicago Style (17th ed.) CitationHeller, Nelson B. The Use of an Incident Seriousness Index in the Development of Police Patrol Manpower: Methods and Conclusions. Springfield, Va: NTIS, 1972.
MLA (8th ed.) CitationHeller, Nelson B. The Use of an Incident Seriousness Index in the Development of Police Patrol Manpower: Methods and Conclusions. NTIS, 1972.
Warning: These citations may not always be 100% accurate.