Cita APA (7a ed.)

Geyer, H., & Lamberts, B. (1991). Ulmer Kunst 91. Ulmer Museum.

Cita Chicago Style (17a ed.)

Geyer, Hermann, y Brigitte Lamberts. Ulmer Kunst 91. Ulm: Ulmer Museum, 1991.

Cita MLA (8a ed.)

Geyer, Hermann, y Brigitte Lamberts. Ulmer Kunst 91. Ulmer Museum, 1991.