Morris, R. (1989). Crumbling walls ... why prisons fail. Mosaic Pr.
Cita Chicago Style (17a ed.)Morris, Ruth. Crumbling Walls ... Why Prisons Fail. Oakville [u.a.]: Mosaic Pr, 1989.
Cita MLA (9a ed.)Morris, Ruth. Crumbling Walls ... Why Prisons Fail. Mosaic Pr, 1989.
Precaución: Estas citas no son 100% exactas.