Orchard, K. (2000). Kurt Schwitters. Hatje Cantz.
Cita Chicago (17th ed.)Orchard, Karin. Kurt Schwitters. Ostfildern-Ruit: Hatje Cantz, 2000.
Cita MLA (8th ed.)Orchard, Karin. Kurt Schwitters. Hatje Cantz, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.