(1988). Vienna 1880-1930: Paintings and drawings. Sotheby's.
Cita Chicago (17th ed.)Vienna 1880-1930: Paintings and Drawings. London: Sotheby's, 1988.
Cita MLA (8th ed.)Vienna 1880-1930: Paintings and Drawings. Sotheby's, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.