Cita APA (7th ed.)

Flagge, I., & Roth, P. (2000). Main Tower. Wasmuth.

Cita Chicago (17th ed.)

Flagge, Ingeborg, i Petra Roth. Main Tower. Tübingen [u.a.]: Wasmuth, 2000.

Cita MLA (8th ed.)

Flagge, Ingeborg, i Petra Roth. Main Tower. Wasmuth, 2000.