APA (7th ed.) Citation

Ohrt, R. (1991). Helmut Sturm. Galerie Schübbe.

Chicago Style (17th ed.) Citation

Ohrt, Roberto. Helmut Sturm. Mettmann ; Düsseldorf: Galerie Schübbe, 1991.

MLA (8th ed.) Citation

Ohrt, Roberto. Helmut Sturm. Galerie Schübbe, 1991.

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