APA (7th ed.) Citation

Verdi, G., Gallone, C., Santini, G., Pederzini, G., Colonello, V., Sinimberghi, G., . . . Amaya, L. (1990). Der Troubadour.

Chicago Style (17th ed.) Citation

Verdi, Giuseppe, et al. Der Troubadour. [S.l.], 1990.

MLA (9th ed.) Citation

Verdi, Giuseppe, et al. Der Troubadour. 1990.