Beethoven, L. v. (1971). Duett "mit zwei obligaten Augengläsern": Viola and Violoncello / Beethoven. (Ed. by) Fritz Stein and Karl Haas (2 Stimmen.). Peters.
Chicago Style (17th ed.) CitationBeethoven, Ludwig van. Duett "Mit Zwei Obligaten Augengläsern": Viola and Violoncello / Beethoven. (Ed. by) Fritz Stein and Karl Haas. 2 Stimmen. London [u.a.]: Peters, 1971.
MLA (8th ed.) CitationBeethoven, Ludwig van. Duett "Mit Zwei Obligaten Augengläsern": Viola and Violoncello / Beethoven. (Ed. by) Fritz Stein and Karl Haas. 2 Stimmen. Peters, 1971.
Warning: These citations may not always be 100% accurate.