APA (7th ed.) Citation

Verdi, G. (1860). Der Troubadour (Sopran od. Tenor.). Spina.

Chicago Style (17th ed.) Citation

Verdi, Giuseppe. Der Troubadour. Sopran od. Tenor. Wien: Spina, 1860.

MLA (9th ed.) Citation

Verdi, Giuseppe. Der Troubadour. Sopran od. Tenor. Spina, 1860.

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