APA (7th ed.) Citation

Beethoven, L. v., & Altmann, W. Quartet for 2 violins, viola and violoncello: Eb major ; Es-Dur : op. 74 : "Harp quartet" = "Harfenquartett" ([Studienpartitur].). Ernst Eulenburg Ltd.

Chicago Style (17th ed.) Citation

Beethoven, Ludwig van, and Wilhelm Altmann. Quartet for 2 Violins, Viola and Violoncello: Eb Major ; Es-Dur : Op. 74 : "Harp Quartet" = "Harfenquartett". [Studienpartitur]. London [u.a.]: Ernst Eulenburg Ltd.

MLA (9th ed.) Citation

Beethoven, Ludwig van, and Wilhelm Altmann. Quartet for 2 Violins, Viola and Violoncello: Eb Major ; Es-Dur : Op. 74 : "Harp Quartet" = "Harfenquartett". [Studienpartitur]. Ernst Eulenburg Ltd.