APA (7th ed.) Citation

Stevens, D. (1964). Mass in honor of the Blessed Virgin Mary: [from the 14th-century codex at Las Huelgas, Burgos] ATB (or treble voices) soli & chorus (organ and/or instruments ad lib). Associated Music Publishers.

Chicago Style (17th ed.) Citation

Stevens, Denis. Mass in Honor of the Blessed Virgin Mary: [from the 14th-century Codex at Las Huelgas, Burgos] ATB (or Treble Voices) Soli & Chorus (organ And/or Instruments Ad Lib). New York: Associated Music Publishers, 1964.

MLA (9th ed.) Citation

Stevens, Denis. Mass in Honor of the Blessed Virgin Mary: [from the 14th-century Codex at Las Huelgas, Burgos] ATB (or Treble Voices) Soli & Chorus (organ And/or Instruments Ad Lib). Associated Music Publishers, 1964.