Baur, A., Bitterli, K., & Kasper, S. (2008). Christian Vetter: Disappearing eye. Ed. Fink.
Cita Chicago (17th ed.)Baur, Andreas, Konrad Bitterli, i Stefanie Kasper. Christian Vetter: Disappearing Eye. Zürich: Ed. Fink, 2008.
Cita MLA (8th ed.)Baur, Andreas, et al. Christian Vetter: Disappearing Eye. Ed. Fink, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.