Cita APA (7th ed.)

Thiel, W. (1997). Sigmar Polke. Flash Art.

Cita Chicago (17th ed.)

Thiel, Wolf-Günter. "Sigmar Polke." Flash Art 1997.

Cita MLA (8th ed.)

Thiel, Wolf-Günter. "Sigmar Polke." Flash Art, 1997.