Wiora, W. (1965). The four ages of music ([1st ed.].). W. W. Norton.
Chicago Style (17th ed.) CitationWiora, Walter. The Four Ages of Music. [1st ed.]. New York: W. W. Norton, 1965.
MLA (9th ed.) CitationWiora, Walter. The Four Ages of Music. [1st ed.]. W. W. Norton, 1965.
Warning: These citations may not always be 100% accurate.