Cita APA (7a ed.)

Beethoven, L. v., & Gulda, F. (1970). Les variations Diabelli. Harmonia Mundi.

Cita Chicago Style (17a ed.)

Beethoven, Ludwig van, y Friedrich Gulda. Les Variations Diabelli. France: Harmonia Mundi, 1970.

Cita MLA (8a ed.)

Beethoven, Ludwig van, y Friedrich Gulda. Les Variations Diabelli. Harmonia Mundi, 1970.