APA (7th ed.) Citation

Boito, A., Tebaldi, R., Del Monaco, M., Siepi, C., & Serafin, T. (1959). Mefistofele. London.

Chicago Style (17th ed.) Citation

Boito, Arrigo, Renata Tebaldi, Mario Del Monaco, Cesare Siepi, and Tullio Serafin. Mefistofele. [New York]: London, 1959.

MLA (9th ed.) Citation

Boito, Arrigo, et al. Mefistofele. London, 1959.