Cita APA (7a ed.)

Beethoven, L. v., Brendel, A., & Stærk, U. (2007). Piano variations: III. Brilliant classics.

Cita Chicago Style (17a ed.)

Beethoven, Ludwig van, Alfred Brendel, y Ulrich Stærk. Piano Variations: III. [Leeuwarden, The Netherlands]: Brilliant classics, 2007.

Cita MLA (9a ed.)

Beethoven, Ludwig van, et al. Piano Variations: III. Brilliant classics, 2007.