Cita APA (7th ed.)

Beethoven, L. v., & Mustonen, O. (1993). Piano variations. Decca Record.

Cita Chicago (17th ed.)

Beethoven, Ludwig van, i Olli Mustonen. Piano Variations. London: Decca Record, 1993.

Cita MLA (9th ed.)

Beethoven, Ludwig van, i Olli Mustonen. Piano Variations. Decca Record, 1993.