Gernandt, O. Ludwig van Beethoven. Rose.
Cita Chicago (17th ed.)Gernandt, Otto. Ludwig Van Beethoven. Neurode/Berlin: Rose.
Cita MLA (8th ed.)Gernandt, Otto. Ludwig Van Beethoven. Rose.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)