Cita APA (7th ed.)

Cremer-Bermbach, S., & Nobis, N. (1998). Harald Naegeli: Raumwolken. Sprengel Museum.

Cita Chicago (17th ed.)

Cremer-Bermbach, Susannah, i Norbert Nobis. Harald Naegeli: Raumwolken. Hannover: Sprengel Museum, 1998.

Cita MLA (8th ed.)

Cremer-Bermbach, Susannah, i Norbert Nobis. Harald Naegeli: Raumwolken. Sprengel Museum, 1998.