Tucker, R. C. (1972). The Marx-Engels Reader. W.W. Norton.
Cita Chicago (17th ed.)Tucker, Robert C. The Marx-Engels Reader. New York: W.W. Norton, 1972.
Cita MLA (9th ed.)Tucker, Robert C. The Marx-Engels Reader. W.W. Norton, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.