APA (7th ed.) Citation

Beethoven, L. v. Quartet No. 6 B major for 2 Violins and Violoncello, Op. 18. Eulenburg.

Chicago Style (17th ed.) Citation

Beethoven, Ludwig van. Quartet No. 6 B Major for 2 Violins and Violoncello, Op. 18. London [u.a.]: Eulenburg.

MLA (8th ed.) Citation

Beethoven, Ludwig van. Quartet No. 6 B Major for 2 Violins and Violoncello, Op. 18. Eulenburg.

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