APA (7th ed.) Citation

Verdi, G., Ghislanzoni, A., & Ducloux, W. (1963). Aida: Opera in four acts. G. Schirmer.

Chicago Style (17th ed.) Citation

Verdi, Giuseppe, Antonio Ghislanzoni, and Walter Ducloux. Aida: Opera in Four Acts. New York: G. Schirmer, 1963.

MLA (9th ed.) Citation

Verdi, Giuseppe, et al. Aida: Opera in Four Acts. G. Schirmer, 1963.