APA (7th ed.) Citation

Verdi, G., & Fisher, B. D. (2017). Simon Boccanegra: Opera Study Guide and Libretto.

Chicago Style (17th ed.) Citation

Verdi, Giuseppe, and Burton D. Fisher. Simon Boccanegra: Opera Study Guide and Libretto. 2017.

MLA (9th ed.) Citation

Verdi, Giuseppe, and Burton D. Fisher. Simon Boccanegra: Opera Study Guide and Libretto. 2017.

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