Landauer, G., Mauthner, F., & Delf, H. (1994). Gustav Landauer - Fritz Mauthner: Briefwechsel 1890-1919 / bearb. von Hanna Delf. Beck.
Cita Chicago (17th ed.)Landauer, Gustav, Fritz Mauthner, i Hanna Delf. Gustav Landauer - Fritz Mauthner: Briefwechsel 1890-1919 / Bearb. Von Hanna Delf. München: Beck, 1994.
Cita MLA (8th ed.)Landauer, Gustav, et al. Gustav Landauer - Fritz Mauthner: Briefwechsel 1890-1919 / Bearb. Von Hanna Delf. Beck, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.