APA (7th ed.) Citation

Verdi, G. Rigoletto : a tragic opera in three acts / by G. Verdi: A tragic opera in three acts. Novello.

Chicago Style (17th ed.) Citation

Verdi, Giuseppe. Rigoletto : A Tragic Opera in Three Acts / by G. Verdi: A Tragic Opera in Three Acts. Novello.

MLA (9th ed.) Citation

Verdi, Giuseppe. Rigoletto : A Tragic Opera in Three Acts / by G. Verdi: A Tragic Opera in Three Acts. Novello.

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