APA (7th ed.) Citation

Webern, A., Hesse, U., & Bätzner, A. Sommerabend.

Chicago Style (17th ed.) Citation

Webern, Anton, Ursula Hesse, and Aglaia Bätzner. Sommerabend.

MLA (9th ed.) Citation

Webern, Anton, et al. Sommerabend.

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