Teatro Real (Madrid), The Gershwins', & Gershwin, G. (1997). Porgy and Bess: ópera en tres actos. Teatro Real.
Chicago Style (17th ed.) CitationTeatro Real (Madrid), The Gershwins', and George Gershwin. Porgy and Bess: ópera En Tres Actos. [Madrid]: Teatro Real, 1997.
MLA (9th ed.) CitationTeatro Real (Madrid), et al. Porgy and Bess: ópera En Tres Actos. Teatro Real, 1997.
Warning: These citations may not always be 100% accurate.