APA (7th ed.) Citation

Cage, J., Clementi, A., & Schleiermacher, S. (2001). Voice and piano. Dabringhaus + Grimm.

Chicago Style (17th ed.) Citation

Cage, John, Anna Clementi, and Steffen Schleiermacher. Voice and Piano. Detmold: Dabringhaus + Grimm, 2001.

MLA (9th ed.) Citation

Cage, John, et al. Voice and Piano. Dabringhaus + Grimm, 2001.