APA-viite (7. p.)

Knapp, P., & Spector, A. J. (2011). Crisis and change today: Basic questions of Marxist sociology (2nd ed.). Rowman & Littlefield Publishers.

Chicago-viite (17. p.)

Knapp, Peter, ja Alan J. Spector. Crisis and Change Today: Basic Questions of Marxist Sociology. 2nd ed. Lanham, Md.: Rowman & Littlefield Publishers, 2011.

MLA-viite (9. p.)

Knapp, Peter, ja Alan J. Spector. Crisis and Change Today: Basic Questions of Marxist Sociology. 2nd ed. Rowman & Littlefield Publishers, 2011.