APA (7th ed.) Citation

Ratzka, T. (2008). Christian Schad 1894-1982: Catalogue raisonné. Wienand.

Chicago Style (17th ed.) Citation

Ratzka, Thomas. Christian Schad 1894-1982: Catalogue Raisonné. Köln: Wienand, 2008.

MLA (9th ed.) Citation

Ratzka, Thomas. Christian Schad 1894-1982: Catalogue Raisonné. Wienand, 2008.

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