Block, C., & Block, R. (1980). Patterns of Change in Chicago Homicide: The Twenties, the Sixties, and the Seventies, 2nd ed. Illinois Law Enforcement Commission.
Chicago-Zitierstil (17. Ausg.)Block, Carolyn, und Richard Block. Patterns of Change in Chicago Homicide: The Twenties, the Sixties, and the Seventies, 2nd Ed. [Erscheinungsort nicht ermittelbar]: Illinois Law Enforcement Commission, 1980.
MLA-Zitierstil (9. Ausg.)Block, Carolyn, und Richard Block. Patterns of Change in Chicago Homicide: The Twenties, the Sixties, and the Seventies, 2nd Ed. Illinois Law Enforcement Commission, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.