Tosca :
an opera in three acts, libretto /
by V. Sardou, L. Illica, G. Giacosa ; music by G. Puccini.
APA Citation
Puccini, G., Sardou, V., Illica, L., Giacosa, G. (19). Tosca: an opera in three acts, libretto. New York: Program Publishing Co..
MLA Citation
Puccini, Giacomo, 1858-1924, Victorien Sardou, Luigi Illica, and Giuseppe Giacosa. Tosca: an Opera In Three Acts, Libretto. New York: Program Publishing Co., 19.
Warning: These citations may not always be complete (especially for serials).