Cummins, E. F. (1990). Iron Gag: A chronicle of San Quentin Prison, 1950 - 1980; book suppression, inmate resistance, and the rise and fall of the prison movement left.
Chicago-Zitierstil (17. Ausg.)Cummins, Eric F. Iron Gag: A Chronicle of San Quentin Prison, 1950 - 1980; Book Suppression, Inmate Resistance, and the Rise and Fall of the Prison Movement Left. 1990.
MLA-Zitierstil (9. Ausg.)Cummins, Eric F. Iron Gag: A Chronicle of San Quentin Prison, 1950 - 1980; Book Suppression, Inmate Resistance, and the Rise and Fall of the Prison Movement Left. 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.