Gregory, R. J., & Johnson, D. (1971). Police-Community Relations in the United States: A Review of Recent Literature and Projects. The journal of criminal law, criminology and police science. doi:10.2307/1142131
Cita Chicago Style (17a ed.)Gregory, Robert J., y Deborah Johnson. "Police-Community Relations in the United States: A Review of Recent Literature and Projects." The Journal of Criminal Law, Criminology and Police Science 1971. https://doi.org/10.2307/1142131.
Cita MLA (9a ed.)Gregory, Robert J., y Deborah Johnson. "Police-Community Relations in the United States: A Review of Recent Literature and Projects." The Journal of Criminal Law, Criminology and Police Science, 1971, https://doi.org/10.2307/1142131.
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