APA (7th ed.) Citation

Beethoven, L. v., & Unger, M. König Stephan: Overture, op. 117 = King Stepen. Ernst Eulenburg & Co. GmbH.

Chicago Style (17th ed.) Citation

Beethoven, Ludwig van, and Max Unger. König Stephan: Overture, Op. 117 = King Stepen. London: Ernst Eulenburg & Co. GmbH.

MLA (9th ed.) Citation

Beethoven, Ludwig van, and Max Unger. König Stephan: Overture, Op. 117 = King Stepen. Ernst Eulenburg & Co. GmbH.