APA (7th ed.) Citation

Ganerus, H., Galerie Vömel, Pijollet, F. <., & Chabert, P. (1998). Helmut Kolle. Schuffelen.

Chicago Style (17th ed.) Citation

Ganerus, Hartwig, Galerie Vömel, Francois <dt.> Pijollet, and Philippe Chabert. Helmut Kolle. Pulheim: Schuffelen, 1998.

MLA (8th ed.) Citation

Ganerus, Hartwig, et al. Helmut Kolle. Schuffelen, 1998.