APA (7th ed.) Citation

Puccini, G., Sardou, V., Illica, L., Giacosa, G., & Kalbeck, M. (1899). Tosca: Musikdrama in drei Acten ([Textbuch].). Ricordi.

Chicago Style (17th ed.) Citation

Puccini, Giacomo, Victorien Sardou, Luigi Illica, Giuseppe Giacosa, and Max Kalbeck. Tosca: Musikdrama in Drei Acten. [Textbuch]. Mailand [u.a.]: Ricordi, 1899.

MLA (9th ed.) Citation

Puccini, Giacomo, et al. Tosca: Musikdrama in Drei Acten. [Textbuch]. Ricordi, 1899.