APA (7th ed.) Citation

Hartmann, K. A., & Webern, A. (2018). Hartmann. Accord.

Chicago Style (17th ed.) Citation

Hartmann, Karl Amadeus, and Anton Webern. Hartmann. [Warschau]: Accord, 2018.

MLA (9th ed.) Citation

Hartmann, Karl Amadeus, and Anton Webern. Hartmann. Accord, 2018.

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