Cita APA (7a ed.)

Spergel, I. A., & Curry, G. D. (1992). National Youth Gang Intervention and Suppression Survey, 1980-1987. [Verlag nicht ermittelbar]. https://doi.org/10.3886/ICPSR09792.v2

Cita Chicago Style (17a ed.)

Spergel, Irving A., y G. David Curry. National Youth Gang Intervention and Suppression Survey, 1980-1987. [Erscheinungsort nicht ermittelbar]: [Verlag nicht ermittelbar], 1992. https://doi.org/10.3886/ICPSR09792.v2.

Cita MLA (9a ed.)

Spergel, Irving A., y G. David Curry. National Youth Gang Intervention and Suppression Survey, 1980-1987. [Verlag nicht ermittelbar], 1992. https://doi.org/10.3886/ICPSR09792.v2.