Hentschel, M. (1999). Harald Fuchs: In vitro.
Cita Chicago (17th ed.)Hentschel, Martin. Harald Fuchs: In Vitro. Stuttgart, 1999.
Cita MLA (8th ed.)Hentschel, Martin. Harald Fuchs: In Vitro. 1999.
Atenció: Aquestes cites poden no estar 100% correctes.