Orchard, K. (2003). Kurt Schwitters. Hatje Cantz.
Cita Chicago (17th ed.)Orchard, Karin. Kurt Schwitters. Ostfildern-Ruit: Hatje Cantz, 2003.
Cita MLA (8th ed.)Orchard, Karin. Kurt Schwitters. Hatje Cantz, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.