APA (7th ed.) Citation

Poulenc, F. (1990). Sonata for two clarinets: (B♭ and A). Chester Music.

Chicago Style (17th ed.) Citation

Poulenc, Francis. Sonata for Two Clarinets: (B♭ and A). London: Chester Music, 1990.

MLA (9th ed.) Citation

Poulenc, Francis. Sonata for Two Clarinets: (B♭ and A). Chester Music, 1990.

Warning: These citations may not always be 100% accurate.