Werther.

MLA

Massenet, Jules, et al. Werther. S.l.: Fondacion opera de Oviedo, 2012.

APA

Massenet, J., Blau, E., Hartmann, G., & Milliet, P. (2012). Werther. S.l.: Fondacion opera de Oviedo.

Chicago

Massenet, Jules, Edouard Blau, Georges Hartmann, and Paul Milliet. Werther. S.l.: Fondacion opera de Oviedo, 2012.