Beethoven, L. v., & Unger, M. Leonore, overture no. 1: To the opera "Leonore" ("Fidelio"). Eulenburg.
Cita Chicago (17th ed.)Beethoven, Ludwig van, i Max Unger. Leonore, Overture No. 1: To the Opera "Leonore" ("Fidelio"). London: Eulenburg.
Cita MLA (8th ed.)Beethoven, Ludwig van, i Max Unger. Leonore, Overture No. 1: To the Opera "Leonore" ("Fidelio"). Eulenburg.
Atenció: Aquestes cites poden no estar 100% correctes.