Cita APA

Blau, E. 1., Massenet, J. 1., Milliet, P., Hartmann, G., & Martin, T. 1. (1968). Werther: Opera in four acts. New York: G. Schirmer.

Citación estilo Chicago

Blau, Edouard 1836-1906, Jules 1842-1912 Massenet, Paul Milliet, Georges Hartmann, y Thomas 1940- Martin. Werther: Opera in Four Acts. New York: G. Schirmer, 1968.

Cita MLA

Blau, Edouard 1836-1906, et al. Werther: Opera in Four Acts. New York: G. Schirmer, 1968.