APA (7th ed.) Citation

Verdi, G., & Giordano Umberto. Best of opera.

Chicago Style (17th ed.) Citation

Verdi, Giuseppe, and Giordano Umberto. Best of Opera.

MLA (9th ed.) Citation

Verdi, Giuseppe, and Giordano Umberto. Best of Opera.

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