Schuman, W. H. (1942). Four canonic choruses for mixed voices a cappella. G. Schirmer.
Chicago Style (17th ed.) CitationSchuman, William Howard. Four Canonic Choruses for Mixed Voices a Cappella. New York: G. Schirmer, 1942.
MLA (9th ed.) CitationSchuman, William Howard. Four Canonic Choruses for Mixed Voices a Cappella. G. Schirmer, 1942.
Warning: These citations may not always be 100% accurate.