Cita APA (7a ed.)

Beuys, J. (1966). Sigmar Polke. Galerie Rene Block.

Cita Chicago Style (17a ed.)

Beuys, Joseph. Sigmar Polke. Berlin: Galerie Rene Block, 1966.

Cita MLA (8a ed.)

Beuys, Joseph. Sigmar Polke. Galerie Rene Block, 1966.