Brahms, J. String quartet... Bb major, Op. 67. Boosey & Hawkes.
Cita Chicago (17th ed.)Brahms, Johannes. String Quartet... Bb Major, Op. 67. London: Boosey & Hawkes.
Cita MLA (9th ed.)Brahms, Johannes. String Quartet... Bb Major, Op. 67. Boosey & Hawkes.
Atenció: Aquestes cites poden no estar 100% correctes.