APA (7th ed.) Citation

Catalani, A., Tebaldi, R., Del Monaco, M., Díaz, J., Cleva, F., & Illica, L. (1969). La Wally. London.

Chicago Style (17th ed.) Citation

Catalani, Alfredo, Renata Tebaldi, Mario Del Monaco, Justino Díaz, Fausto Cleva, and Luigi Illica. La Wally. [England]: London, 1969.

MLA (9th ed.) Citation

Catalani, Alfredo, et al. La Wally. London, 1969.