Kunde, H. (1993). Wols (1913-1951): Composition Champigny, 1951. Kunst + Unterricht.
Cita Chicago (17th ed.)Kunde, Harald. "Wols (1913-1951): Composition Champigny, 1951." Kunst + Unterricht 1993.
Cita MLA (8th ed.)Kunde, Harald. "Wols (1913-1951): Composition Champigny, 1951." Kunst + Unterricht, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.