APA (7th ed.) Citation

Ruhrberg, K. (1992). Werner Haypeter, Erwin Heerich. Galerie Lüpke.

Chicago Style (17th ed.) Citation

Ruhrberg, Karl. Werner Haypeter, Erwin Heerich. Frankfurt: Galerie Lüpke, 1992.

MLA (8th ed.) Citation

Ruhrberg, Karl. Werner Haypeter, Erwin Heerich. Galerie Lüpke, 1992.

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