Geiger, L., & Holtzhauer, H. (1915). Goethe-Jahrbuch. Rütten & Loening.
Cita Chicago (17th ed.)Geiger, Ludwig, i Helmut Holtzhauer. Goethe-Jahrbuch. Frankfurt a.M. ; Weimar: Rütten & Loening, 1915.
Cita MLA (8th ed.)Geiger, Ludwig, i Helmut Holtzhauer. Goethe-Jahrbuch. Rütten & Loening, 1915.
Atenció: Aquestes cites poden no estar 100% correctes.