Piper, E. S. (1985). Violent recidivism and chronicity in the 1958 Philadelphia cohort. Journal of quantitative criminology, 1(4), 319-344. doi:10.1007/BF01064185
Cita Chicago Style (17a ed.)Piper, Elizabeth S. "Violent Recidivism and Chronicity in the 1958 Philadelphia Cohort." Journal of Quantitative Criminology 1, no. 4 (1985): 319-344. https://doi.org/10.1007/BF01064185.
Cita MLA (9a ed.)Piper, Elizabeth S. "Violent Recidivism and Chronicity in the 1958 Philadelphia Cohort." Journal of Quantitative Criminology, vol. 1, no. 4, 1985, pp. 319-344, https://doi.org/10.1007/BF01064185.
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