Marx, K. (1972). Texts on method. Blackwell.
Cita Chicago (17th ed.)Marx, Karl. Texts on Method. Oxford: Blackwell, 1972.
Cita MLA (9th ed.)Marx, Karl. Texts on Method. Blackwell, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)