APA (7th ed.) Citation

Staatsoper (Berlin, Germany). (1993). Great singers at the Berlin State Opera. Nimbus.

Chicago Style (17th ed.) Citation

Staatsoper (Berlin, Germany). Great Singers at the Berlin State Opera. Herefordshire, England: Nimbus, 1993.

MLA (9th ed.) Citation

Staatsoper (Berlin, Germany). Great Singers at the Berlin State Opera. Nimbus, 1993.