APA (7th ed.) Citation

Schellmann, J., & Klüser, B. (1977). Joseph Beuys, Multiples: Catalogue raisonné (4., completely rev. ed.). Schellmann & Klüser.

Chicago Style (17th ed.) Citation

Schellmann, Jörg, and Bernd Klüser. Joseph Beuys, Multiples: Catalogue Raisonné. 4., completely rev. ed. München: Schellmann & Klüser, 1977.

MLA (9th ed.) Citation

Schellmann, Jörg, and Bernd Klüser. Joseph Beuys, Multiples: Catalogue Raisonné. 4., completely rev. ed. Schellmann & Klüser, 1977.