Cita APA (7a ed.)

Zahn, M. A. (1999). Changing Patterns of Homicide and Social Policy in Philadelphia, Phoenix, and St. Louis, 1980-1994. [Verlag nicht ermittelbar]. https://doi.org/10.3886/ICPSR02729.v1

Cita Chicago Style (17a ed.)

Zahn, Margaret A. Changing Patterns of Homicide and Social Policy in Philadelphia, Phoenix, and St. Louis, 1980-1994. [Erscheinungsort nicht ermittelbar]: [Verlag nicht ermittelbar], 1999. https://doi.org/10.3886/ICPSR02729.v1.

Cita MLA (9a ed.)

Zahn, Margaret A. Changing Patterns of Homicide and Social Policy in Philadelphia, Phoenix, and St. Louis, 1980-1994. [Verlag nicht ermittelbar], 1999. https://doi.org/10.3886/ICPSR02729.v1.