APA Citatie

Belasco, D., Long, J. L., Puccini, G., Giacosa, G., Illica, L., & Ferrier, P. (1906). Madame Butterfly. Paris: G. Ricordi.

Chicago Style citaat

Belasco, David, John. L. Long, Giacomo Puccini, Giuseppe Giacosa, Luigi Illica, en Paul Ferrier. Madame Butterfly. Paris: G. Ricordi, 1906.

MLA citatie

Belasco, David, et al. Madame Butterfly. Paris: G. Ricordi, 1906.