Cita APA (7th ed.)

Jocks, H. (1994). Karl Marx: "Delikate Herausforderung" : Kunstmuseum, Düsseldorf, 16.4.-22.5.1994 / Heinz-Norbert Jocks. Kunstforum.

Cita Chicago (17th ed.)

Jocks, Heinz-Norbert. "Karl Marx: "Delikate Herausforderung" : Kunstmuseum, Düsseldorf, 16.4.-22.5.1994 / Heinz-Norbert Jocks." Kunstforum 1994.

Cita MLA (8th ed.)

Jocks, Heinz-Norbert. "Karl Marx: "Delikate Herausforderung" : Kunstmuseum, Düsseldorf, 16.4.-22.5.1994 / Heinz-Norbert Jocks." Kunstforum, 1994.

Atenció: Aquestes cites poden no estar 100% correctes.