Una aurora en Belén: 3 ó 4 v. y armonium o piano.
Chicago Style (17th ed.) CitationUna Aurora En Belén: 3 ó 4 V. Y Armonium O Piano.
MLA (9th ed.) CitationUna Aurora En Belén: 3 ó 4 V. Y Armonium O Piano.
Warning: These citations may not always be 100% accurate.