APA (7th ed.) Citation

Ponchielli, A., Boito, A., & Hugo, V. (1900). La Gioconda: Opera in four acts (after Victor Hugo's play, "Angelo, tyrant of Padua"). G. Schirmer.

Chicago Style (17th ed.) Citation

Ponchielli, Amilcare, Arrigo Boito, and Victor Hugo. La Gioconda: Opera in Four Acts (after Victor Hugo's Play, "Angelo, Tyrant of Padua"). New York: G. Schirmer, 1900.

MLA (9th ed.) Citation

Ponchielli, Amilcare, et al. La Gioconda: Opera in Four Acts (after Victor Hugo's Play, "Angelo, Tyrant of Padua"). G. Schirmer, 1900.