APA (7th ed.) Citation

Ullmann, V., & Richter, K. (1999). Klaviersonaten. Schott.

Chicago Style (17th ed.) Citation

Ullmann, Viktor, and Konrad Richter. Klaviersonaten. Mainz: Schott, 1999.

MLA (9th ed.) Citation

Ullmann, Viktor, and Konrad Richter. Klaviersonaten. Schott, 1999.

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