Oelze, W. (2014). The qualm: Photographs and videos. Revolver Publishing.
Cita Chicago (17th ed.)Oelze, Wolfgang. The Qualm: Photographs and Videos. Berlin: Revolver Publishing, 2014.
Cita MLA (8th ed.)Oelze, Wolfgang. The Qualm: Photographs and Videos. Revolver Publishing, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.