Cita APA (7a ed.)

Cohen, J., & Gorr, W. L. (2001). Examination of Crime Guns and Homicide in Pittsburgh, Pennsylvania, 1987-1998. [Verlag nicht ermittelbar]. https://doi.org/10.3886/ICPSR02895.v1

Cita Chicago Style (17a ed.)

Cohen, Jacqueline, y Wilpen L. Gorr. Examination of Crime Guns and Homicide in Pittsburgh, Pennsylvania, 1987-1998. [Erscheinungsort nicht ermittelbar]: [Verlag nicht ermittelbar], 2001. https://doi.org/10.3886/ICPSR02895.v1.

Cita MLA (9a ed.)

Cohen, Jacqueline, y Wilpen L. Gorr. Examination of Crime Guns and Homicide in Pittsburgh, Pennsylvania, 1987-1998. [Verlag nicht ermittelbar], 2001. https://doi.org/10.3886/ICPSR02895.v1.