APA (7th ed.) Citation

Schwitters, K., Appel, A., & Erfurth, E. (1993). Ursonate. LOGO Verl.

Chicago Style (17th ed.) Citation

Schwitters, Kurt, Arnulf Appel, and Eric Erfurth. Ursonate. Obernburg am Main: LOGO Verl, 1993.

MLA (9th ed.) Citation

Schwitters, Kurt, et al. Ursonate. LOGO Verl, 1993.