Cita APA (7a ed.)

MacElroy, J. E., Cosgrove, C. A., & Sadd, S. (1990). CPOP, the research: An evaluative study of the New York City Community Patrol Officer Program. Vera Inst. of Justice.

Cita Chicago Style (17a ed.)

MacElroy, Jerome E., Colleen A. Cosgrove, y Susan Sadd. CPOP, the Research: An Evaluative Study of the New York City Community Patrol Officer Program. New York, NY: Vera Inst. of Justice, 1990.

Cita MLA (8a ed.)

MacElroy, Jerome E., et al. CPOP, the Research: An Evaluative Study of the New York City Community Patrol Officer Program. Vera Inst. of Justice, 1990.