Traud, G. (1990). Mario Derra. Atelier Derra.
Chicago Style (17th ed.) CitationTraud, Georg-Rüdiger. Mario Derra. Bürstadt: Atelier Derra, 1990.
MLA (9th ed.) CitationTraud, Georg-Rüdiger. Mario Derra. Atelier Derra, 1990.
Warning: These citations may not always be 100% accurate.