APA (7th ed.) Citation

Willis, R. S. (2000). It came upon the midnight clear: For SATB chorus and organ. Novello & Company.

Chicago Style (17th ed.) Citation

Willis, Richard Storrs. It Came upon the Midnight Clear: For SATB Chorus and Organ. [London, England]: Novello & Company, 2000.

MLA (9th ed.) Citation

Willis, Richard Storrs. It Came upon the Midnight Clear: For SATB Chorus and Organ. Novello & Company, 2000.