Knapp, P. (2011). Crisis and change today: Basic questions of Marxist sociology (2nd ed.). Rowman & Littlefield Publishers.
Chicago-Zitierstil (17. Ausg.)Knapp, Peter. Crisis and Change Today: Basic Questions of Marxist Sociology. 2nd ed. Lanham, Md: Rowman & Littlefield Publishers, 2011.
MLA-Zitierstil (9. Ausg.)Knapp, Peter. Crisis and Change Today: Basic Questions of Marxist Sociology. 2nd ed. Rowman & Littlefield Publishers, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.