Cita APA

Schumann, R. 1., & Geiringer, K. 1. (1939). Variations on an original theme: Piano solo (Hinrichsen Edition.). London: Edition Peters.

Citación estilo Chicago

Schumann, Robert 1810-1856, y Karl 1899-1989 Geiringer. Variations On an Original Theme: Piano Solo. Hinrichsen Edition. London: Edition Peters, 1939.

Cita MLA

Schumann, Robert 1810-1856, y Karl 1899-1989 Geiringer. Variations On an Original Theme: Piano Solo. Hinrichsen Edition. London: Edition Peters, 1939.