Cita APA (7th ed.)

Schaefer, H. (1969). Ludwig van Beethoven Briefe. Henschelverlag.

Cita Chicago (17th ed.)

Schaefer, Hansjürgen. Ludwig Van Beethoven Briefe. Berlin: Henschelverlag, 1969.

Cita MLA (8th ed.)

Schaefer, Hansjürgen. Ludwig Van Beethoven Briefe. Henschelverlag, 1969.