Cita APA (7a ed.)

Fisher, B. D., Bellini, V., Romani, F., Aumer, M., & Scribe, E. (2010). La sonnambula =: The sleepwalker : opera in Italian in two acts. Opera Journeys.

Cita Chicago Style (17a ed.)

Fisher, Burton D., Vincenzo Bellini, Felice Romani, M. Aumer, y Eugène Scribe. La Sonnambula =: The Sleepwalker : Opera in Italian in Two Acts. [Boca Raton, Fla.?]: Opera Journeys, 2010.

Cita MLA (8a ed.)

Fisher, Burton D., et al. La Sonnambula =: The Sleepwalker : Opera in Italian in Two Acts. Opera Journeys, 2010.