Cita APA (7a ed.)

Ratcliffe, J., & Groff, E. (2017). Quantifying the Size and Geographic Extent of CCTV's Impact on Reducing Crime in Philadelphia, Pennsylvania, 2003-2013. [Verlag nicht ermittelbar]. https://doi.org/10.3886/ICPSR35514.v1

Cita Chicago Style (17a ed.)

Ratcliffe, Jerry, y Elizabeth Groff. Quantifying the Size and Geographic Extent of CCTV's Impact on Reducing Crime in Philadelphia, Pennsylvania, 2003-2013. [Erscheinungsort nicht ermittelbar]: [Verlag nicht ermittelbar], 2017. https://doi.org/10.3886/ICPSR35514.v1.

Cita MLA (9a ed.)

Ratcliffe, Jerry, y Elizabeth Groff. Quantifying the Size and Geographic Extent of CCTV's Impact on Reducing Crime in Philadelphia, Pennsylvania, 2003-2013. [Verlag nicht ermittelbar], 2017. https://doi.org/10.3886/ICPSR35514.v1.