Royster, E. (1974). Evaluation of the [Philadelphia] youth in conflict service project. National Criminal Justice Reference Service.
Chicago-Zitierstil (17. Ausg.)Royster, Eugene. Evaluation of the [Philadelphia] Youth in Conflict Service Project. Rockville, Md: National Criminal Justice Reference Service, 1974.
MLA-Zitierstil (9. Ausg.)Royster, Eugene. Evaluation of the [Philadelphia] Youth in Conflict Service Project. National Criminal Justice Reference Service, 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.