APA (7th ed.) Citation

Acker, D., Manno, R., Popa, T., & Schäfer, M. Klavierquartett Nr. 1.

Chicago Style (17th ed.) Citation

Acker, Dieter, Ralph Manno, Tivadar Popa, and Michael Schäfer. Klavierquartett Nr. 1.

MLA (9th ed.) Citation

Acker, Dieter, et al. Klavierquartett Nr. 1.