Cita APA (7a ed.)

Royster, E. (1974). Evaluation of the [Philadelphia] youth in conflict service project. National Criminal Justice Reference Service.

Cita Chicago Style (17a ed.)

Royster, Eugene. Evaluation of the [Philadelphia] Youth in Conflict Service Project. Rockville, Md: National Criminal Justice Reference Service, 1974.

Cita MLA (9a ed.)

Royster, Eugene. Evaluation of the [Philadelphia] Youth in Conflict Service Project. National Criminal Justice Reference Service, 1974.