Sonata :
for viola (or violoncello) and piano /
Rebecca Clarke.

APA Citation

Clarke, R., Schleifer, M. Furman. (1999). Sonata: for viola (or violoncello) and piano. Bryn Mawr, PA (Box 332, Bryn Mawr 19010): Hildegard Pub. Co..

MLA Citation

Clarke, Rebecca, 1886-1979, and Martha Furman Schleifer. Sonata: for Viola (or Violoncello) And Piano. Bryn Mawr, PA (Box 332, Bryn Mawr 19010): Hildegard Pub. Co., 1999.

Warning: These citations may not always be complete (especially for serials).