APA (7th ed.) Citation

Chopin, F., & Koczalski, R. Ballade As-Dur: Op. 47. Dt. Grammophon.

Chicago Style (17th ed.) Citation

Chopin, Frédéric, and Raoul Koczalski. Ballade As-Dur: Op. 47. Hannover: Dt. Grammophon.

MLA (9th ed.) Citation

Chopin, Frédéric, and Raoul Koczalski. Ballade As-Dur: Op. 47. Dt. Grammophon.

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