Schmalleger, F., & Smykla, J. O. (2005). Corrections in the 21st century (2. ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)Schmalleger, Frank, y John Ortiz Smykla. Corrections in the 21st Century. 2. ed. Boston [u.a.]: McGraw-Hill, 2005.
Cita MLA (9a ed.)Schmalleger, Frank, y John Ortiz Smykla. Corrections in the 21st Century. 2. ed. McGraw-Hill, 2005.
Precaución: Estas citas no son 100% exactas.