Schmalenbach, W. (1967). Kurt Schwitters.
Cita Chicago (17th ed.)Schmalenbach, Werner. Kurt Schwitters. Köln, 1967.
Cita MLA (8th ed.)Schmalenbach, Werner. Kurt Schwitters. 1967.
Atenció: Aquestes cites poden no estar 100% correctes.
Schmalenbach, W. (1967). Kurt Schwitters.
Cita Chicago (17th ed.)Schmalenbach, Werner. Kurt Schwitters. Köln, 1967.
Cita MLA (8th ed.)Schmalenbach, Werner. Kurt Schwitters. 1967.