Variants for solo clarinet =
Varianten für Klarinette allein /
William O. Smith.

APA Citation

Smith, W. O. (William Overton). (1967). Variants for solo clarinet =: Varianten für Klarinette allein. London: Universal Edition.

MLA Citation

Smith, William O. (William Overton), 1926-2020. Variants for Solo Clarinet =: Varianten Für Klarinette Allein. London: Universal Edition, 1967.

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