Cita APA (7th ed.)

Schaefer, H. (1970). Ludwig van Beethoven Briefe. Henschelverlag.

Cita Chicago (17th ed.)

Schaefer, Hansjürgen. Ludwig Van Beethoven Briefe. Berlin: Henschelverlag, 1970.

Cita MLA (8th ed.)

Schaefer, Hansjürgen. Ludwig Van Beethoven Briefe. Henschelverlag, 1970.