Cita APA (7a ed.)

McGarrell, E. F., Garmo, M., Zimmermann, C. A., Perez, H., Bynum, T. S., Corsaro, N. A., & Hipple, N. K. (2009). Project Safe Neighborhoods: A National Program to Reduce Gun Crime. Michigan State University.

Cita Chicago Style (17a ed.)

McGarrell, Edmund F., Melissa Garmo, Carol A. Zimmermann, Heather Perez, Timothy S. Bynum, Nicholas A. Corsaro, y Natalie Kroovand Hipple. Project Safe Neighborhoods: A National Program to Reduce Gun Crime. Michigan State University, 2009.

Cita MLA (9a ed.)

McGarrell, Edmund F., et al. Project Safe Neighborhoods: A National Program to Reduce Gun Crime. Michigan State University, 2009.