Koch-Gotha, F. (1971). Fritz Koch-Gotha. Eulenspiegel.
Cita Chicago (17th ed.)Koch-Gotha, Fritz. Fritz Koch-Gotha. Berlin: Eulenspiegel, 1971.
Cita MLA (8th ed.)Koch-Gotha, Fritz. Fritz Koch-Gotha. Eulenspiegel, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.