APA (7th ed.) Citation

Schumann, R., Liszt, F., & Simon, S. Widmung.

Chicago Style (17th ed.) Citation

Schumann, Robert, Franz Liszt, and Sabine Simon. Widmung.

MLA (9th ed.) Citation

Schumann, Robert, et al. Widmung.

Warning: These citations may not always be 100% accurate.