APA (7th ed.) Citation

Schumann, R., Reynolds, A., & Parsons, G. Liederkreis, op. 39: (Eichendorff).

Chicago Style (17th ed.) Citation

Schumann, Robert, Anna Reynolds, and Geoffrey Parsons. Liederkreis, Op. 39: (Eichendorff).

MLA (9th ed.) Citation

Schumann, Robert, et al. Liederkreis, Op. 39: (Eichendorff).