Frank, J., Famega, C. N., Eck, J. E., & Rogan, D. (2002). Managing citizen calls to the police: The impact of Baltimore's 3-1-1 call system. Criminology & public policy, 2(1), 97-124. doi:10.1111/j.1745-9133.2002.tb00110.x
Chicago-Zitierstil (17. Ausg.)Frank, James, Christine N. Famega, John E. Eck, und Dennis Rogan. "Managing Citizen Calls to the Police: The Impact of Baltimore's 3-1-1 Call System." Criminology & Public Policy 2, no. 1 (2002): 97-124. https://doi.org/10.1111/j.1745-9133.2002.tb00110.x.
MLA-Zitierstil (9. Ausg.)Frank, James, et al. "Managing Citizen Calls to the Police: The Impact of Baltimore's 3-1-1 Call System." Criminology & Public Policy, vol. 2, no. 1, 2002, pp. 97-124, https://doi.org/10.1111/j.1745-9133.2002.tb00110.x.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.