Marx, K., & Engels, F. (1976). On colonialism. Progress,.
Cita Chicago (17th ed.)Marx, Karl, i Frederick Engels. On Colonialism. Moscow: Progress,, 1976.
Cita MLA (9th ed.)Marx, Karl, i Frederick Engels. On Colonialism. Progress,, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.