APA (7th ed.) Citation

Verdi, G., Toscanini, A., Wilhousky, P., Warren, L., Milanov, Z., Peerce, J., . . . Merriman, N. Rigoletto: Act 4.

Chicago Style (17th ed.) Citation

Verdi, Giuseppe, Arturo Toscanini, Peter Wilhousky, Leonard Warren, Zinka Milanov, Jan Peerce, Nicola Moscona, and Nan Merriman. Rigoletto: Act 4.

MLA (9th ed.) Citation

Verdi, Giuseppe, et al. Rigoletto: Act 4.