Knapp, P., & Spector, A. J. (2011). Crisis and change today: Basic questions of Marxist sociology (2nd ed.). Rowman & Littlefield Publishers.
芝加哥风格引文Knapp, Peter, 与 Alan J. Spector. Crisis and Change Today: Basic Questions of Marxist Sociology. 2nd ed. Lanham, Md.: Rowman & Littlefield Publishers, 2011.
MLA引文Knapp, Peter, 与 Alan J. Spector. Crisis and Change Today: Basic Questions of Marxist Sociology. 2nd ed. Rowman & Littlefield Publishers, 2011.
警告：这些引文格式不一定是100％准确.