APA (7th ed.) Citation

Hartmann, K. A., & Koehlen, B. (2006). Das Klavierwerk. telos music records.

Chicago Style (17th ed.) Citation

Hartmann, Karl Amadeus, and Benedikt Koehlen. Das Klavierwerk. Mechernich: telos music records, 2006.

MLA (9th ed.) Citation

Hartmann, Karl Amadeus, and Benedikt Koehlen. Das Klavierwerk. telos music records, 2006.

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