APA (7th ed.) Citation

Schumann, R., Grieg, E., Gigli, B., & Seidler-Winkler, B. Die Lotosblume. Electrola.

Chicago Style (17th ed.) Citation

Schumann, Robert, Edvard Grieg, Beniamino Gigli, and Bruno Seidler-Winkler. Die Lotosblume. Berlin: Electrola.

MLA (9th ed.) Citation

Schumann, Robert, et al. Die Lotosblume. Electrola.