APA (7th ed.) Citation

Beethoven, L. v., Léner, J., Roth, S., Hobday, C., Draper, C., & Brain, A. Septet in E flat major: Op. 20. Columbia.

Chicago Style (17th ed.) Citation

Beethoven, Ludwig van, Jenő Léner, Sándor Roth, Claude Hobday, Charles Draper, and Aubrey Brain. Septet in E Flat Major: Op. 20. [S.l.]: Columbia.

MLA (9th ed.) Citation

Beethoven, Ludwig van, et al. Septet in E Flat Major: Op. 20. Columbia.