Cita APA (7a ed.)

LaFree, G., Yang, S., & Crenshaw, M. (2009). Trajectories of terrorism: Attack patterns of foreign groups that have targeted the United States, 1970-2004. Criminology & public policy, 8(3), 445-473.

Cita Chicago Style (17a ed.)

LaFree, Gary, Sue-Ming Yang, y Martha Crenshaw. "Trajectories of Terrorism: Attack Patterns of Foreign Groups That Have Targeted the United States, 1970-2004." Criminology & Public Policy 8, no. 3 (2009): 445-473.

Cita MLA (8a ed.)

LaFree, Gary, et al. "Trajectories of Terrorism: Attack Patterns of Foreign Groups That Have Targeted the United States, 1970-2004." Criminology & Public Policy, vol. 8, no. 3, 2009, pp. 445-473.