Morricone, E., & Leone, S. Once Upon a Time in America: Original Soundtrack from the Motion Picture. Mercury Records.
Chicago Style (17th ed.) CitationMorricone, Ennio, and Sergio Leone. Once Upon a Time in America: Original Soundtrack from the Motion Picture. [s.l.]: Mercury Records.
MLA (9th ed.) CitationMorricone, Ennio, and Sergio Leone. Once Upon a Time in America: Original Soundtrack from the Motion Picture. Mercury Records.
Warning: These citations may not always be 100% accurate.