APA (7th ed.) Citation

Verdi, G. Rigoletto : opera in three acts / by G. Verdi: Opera in three acts. Boosey.

Chicago Style (17th ed.) Citation

Verdi, Giuseppe. Rigoletto : Opera in Three Acts / by G. Verdi: Opera in Three Acts. Boosey.

MLA (9th ed.) Citation

Verdi, Giuseppe. Rigoletto : Opera in Three Acts / by G. Verdi: Opera in Three Acts. Boosey.

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