Cita APA (7a ed.)

Massin, J., & Massin, B. (1987). Ludwig van Beethoven. Turner.

Cita Chicago Style (17a ed.)

Massin, Jean, y Brigitte Massin. Ludwig Van Beethoven. Madrid: Turner, 1987.

Cita MLA (9a ed.)

Massin, Jean, y Brigitte Massin. Ludwig Van Beethoven. Turner, 1987.