APA (7th ed.) Citation

Beethoven, L. v. Leonore: Overture no. 3 for the opera "Leonore" ("Fidelio") : op. 72a. Ernst Eulenburg & Co. GmbH.

Chicago Style (17th ed.) Citation

Beethoven, Ludwig van. Leonore: Overture No. 3 for the Opera "Leonore" ("Fidelio") : Op. 72a. London: Ernst Eulenburg & Co. GmbH.

MLA (9th ed.) Citation

Beethoven, Ludwig van. Leonore: Overture No. 3 for the Opera "Leonore" ("Fidelio") : Op. 72a. Ernst Eulenburg & Co. GmbH.

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