Spelman, W., & Brown, D. K. (1981). Calling the police: Citizen reporting of serious crime. Police Executive Research Forum.
Chicago-Zitierstil (17. Ausg.)Spelman, William, und Dale K. Brown. Calling the Police: Citizen Reporting of Serious Crime. Washington, D.C: Police Executive Research Forum, 1981.
MLA-Zitierstil (8. Ausg.)Spelman, William, und Dale K. Brown. Calling the Police: Citizen Reporting of Serious Crime. Police Executive Research Forum, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.