Cita APA (7th ed.)

Cardinal, R., & Webster, G. (2011). Kurt Schwitters. Hatje Cantz.

Cita Chicago (17th ed.)

Cardinal, Roger, i Gwendolen Webster. Kurt Schwitters. Ostfildern: Hatje Cantz, 2011.

Cita MLA (8th ed.)

Cardinal, Roger, i Gwendolen Webster. Kurt Schwitters. Hatje Cantz, 2011.