APA (7th ed.) Citation

Beethoven, L. v. Leonore no.3, overture. Op. 72a [sic]. Associated Music Publishers.

Chicago Style (17th ed.) Citation

Beethoven, Ludwig van. Leonore No.3, Overture. Op. 72a [sic]. New York: Associated Music Publishers.

MLA (9th ed.) Citation

Beethoven, Ludwig van. Leonore No.3, Overture. Op. 72a [sic]. Associated Music Publishers.