APA (7th ed.) Citation

O'Regan, T., & Poe, E. A. (2009). The ecstasies above: For double solo quartet (SATB), SATB chorus and string quartet or string orchestra (Vocal score.). Novello.

Chicago Style (17th ed.) Citation

O'Regan, Tarik, and Edgar Allan Poe. The Ecstasies Above: For Double Solo Quartet (SATB), SATB Chorus and String Quartet or String Orchestra. Vocal score. London, England: Novello, 2009.

MLA (9th ed.) Citation

O'Regan, Tarik, and Edgar Allan Poe. The Ecstasies Above: For Double Solo Quartet (SATB), SATB Chorus and String Quartet or String Orchestra. Vocal score. Novello, 2009.