MLA

Beethoven, Ludwig van, and John Muir. Sonata, F Minor, Op. 57 (appassionata). 1975.

APA

Beethoven, L. van, & John Muir, J. Muir. (1975). Sonata, F Minor, Op. 57 (Appassionata). .

Chicago

Beethoven, Ludwig van, and John Muir. Sonata, F Minor, Op. 57 (appassionata).