Christenson, J. M. (1996). The keepers and the caged: Heroes and necromancers in the prison system today. Kendall/Hunt.
Cita Chicago Style (17a ed.)Christenson, Jean Marie. The Keepers and the Caged: Heroes and Necromancers in the Prison System Today. Dubuque, Iowa: Kendall/Hunt, 1996.
Cita MLA (8a ed.)Christenson, Jean Marie. The Keepers and the Caged: Heroes and Necromancers in the Prison System Today. Kendall/Hunt, 1996.
Precaución: Estas citas no son 100% exactas.