Roberts, A., Liedka, R. V., & Roberts, J. M. J. (2012). Elements of terrorism preparedness in local police agencies, 2003-2007: Impact of vulnerability, organizational characteristics, and contagion in the post-9/11 era. Crime & delinquency, 58(5), 720-747. doi:10.1177/0011128712452960
Cita Chicago Style (17a ed.)Roberts, Aki, Raymond V. Liedka, y John M. Jr Roberts. "Elements of Terrorism Preparedness in Local Police Agencies, 2003-2007: Impact of Vulnerability, Organizational Characteristics, and Contagion in the Post-9/11 Era." Crime & Delinquency 58, no. 5 (2012): 720-747. https://doi.org/10.1177/0011128712452960.
Cita MLA (9a ed.)Roberts, Aki, et al. "Elements of Terrorism Preparedness in Local Police Agencies, 2003-2007: Impact of Vulnerability, Organizational Characteristics, and Contagion in the Post-9/11 Era." Crime & Delinquency, vol. 58, no. 5, 2012, pp. 720-747, https://doi.org/10.1177/0011128712452960.