Cita APA (7th ed.)

Sherman, M., & Trautwein, W. (1988). Rosa Winkel (Bent). [o.V.].

Cita Chicago (17th ed.)

Sherman, Martin, i Wolfgang Trautwein. Rosa Winkel (Bent). Köln: [o.V.], 1988.

Cita MLA (8th ed.)

Sherman, Martin, i Wolfgang Trautwein. Rosa Winkel (Bent). [o.V.], 1988.