Cita APA (7a ed.)

Welti, A. (1997). Kurt Schwitters: Merz-Kunst. Art.

Cita Chicago Style (17a ed.)

Welti, Alfred. "Kurt Schwitters: Merz-Kunst." Art 1997.

Cita MLA (8a ed.)

Welti, Alfred. "Kurt Schwitters: Merz-Kunst." Art, 1997.