APA (7th ed.) Citation

Brahms, J., Portal, M., & Pludermacher, G. (2009). Sonatas for clarinet and piano: Op. 120. Harmonia Mundi France.

Chicago Style (17th ed.) Citation

Brahms, Johannes, Michel Portal, and Georges Pludermacher. Sonatas for Clarinet and Piano: Op. 120. Arles: Harmonia Mundi France, 2009.

MLA (9th ed.) Citation

Brahms, Johannes, et al. Sonatas for Clarinet and Piano: Op. 120. Harmonia Mundi France, 2009.