Cita APA (7th ed.)

Eccles, H., & Klengel, P. (1930). Sonata for viola and piano. Edition Peters.

Cita Chicago (17th ed.)

Eccles, Henry, i Paul Klengel. Sonata for Viola and Piano. London: Edition Peters, 1930.

Cita MLA (9th ed.)

Eccles, Henry, i Paul Klengel. Sonata for Viola and Piano. Edition Peters, 1930.