APA (7th ed.) Citation

Schmalenbach, W. (1990). Masterpieces of 20th-century art / from the Kunstsammlung Nordrhein-Westfalen, Düsseldorf. Prestel.

Chicago Style (17th ed.) Citation

Schmalenbach, Werner. Masterpieces of 20th-century Art / from the Kunstsammlung Nordrhein-Westfalen, Düsseldorf. Munich: Prestel, 1990.

MLA (9th ed.) Citation

Schmalenbach, Werner. Masterpieces of 20th-century Art / from the Kunstsammlung Nordrhein-Westfalen, Düsseldorf. Prestel, 1990.

Warning: These citations may not always be 100% accurate.