Rohloff, W., & Ruhrberg, K. (1977). Wolfgang Rohloff: [Text: Karl Ruhrberg]. Galerie Thomas Wagner.
Cita Chicago (17th ed.)Rohloff, Wolfgang, i Karl Ruhrberg. Wolfgang Rohloff: [Text: Karl Ruhrberg]. Berlin: Galerie Thomas Wagner, 1977.
Cita MLA (8th ed.)Rohloff, Wolfgang, i Karl Ruhrberg. Wolfgang Rohloff: [Text: Karl Ruhrberg]. Galerie Thomas Wagner, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.