APA (7th ed.) Citation

Bartók, B., Nilsson, B., Sönnerstedt, B., & Friisholm, L. Herzog Blaubarts Burg.

Chicago Style (17th ed.) Citation

Bartók, Béla, Birgit Nilsson, Bernhard Sönnerstedt, and Lavard Friisholm. Herzog Blaubarts Burg.

MLA (9th ed.) Citation

Bartók, Béla, et al. Herzog Blaubarts Burg.

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