Cita APA (7a ed.)

Welsh, W. N., & Harris, P. W. (1999). Criminal justice policy & planning. Anderson.

Cita Chicago Style (17a ed.)

Welsh, Wayne N., y Philip W. Harris. Criminal Justice Policy & Planning. Cincinnati, Ohio: Anderson, 1999.

Cita MLA (9a ed.)

Welsh, Wayne N., y Philip W. Harris. Criminal Justice Policy & Planning. Anderson, 1999.