Richards, S. C. (2015). Marion Experiment: Long-Term Solitary Confinement and the Supermax Movement. Southern Illinois University Press.
Chicago-Zitierstil (17. Ausg.)Richards, Stephen C. Marion Experiment: Long-Term Solitary Confinement and the Supermax Movement. Carbondale: Southern Illinois University Press, 2015.
MLA-Zitierstil (9. Ausg.)Richards, Stephen C. Marion Experiment: Long-Term Solitary Confinement and the Supermax Movement. Southern Illinois University Press, 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.