Ronte, D. (2020). Helmut Schober: Vortex. Hirmer.
Chicago Style (17th ed.) CitationRonte, Dieter. Helmut Schober: Vortex. Munich, Germany: Hirmer, 2020.
MLA (9th ed.) CitationRonte, Dieter. Helmut Schober: Vortex. Hirmer, 2020.
Warning: These citations may not always be 100% accurate.