APA (7th ed.) Citation

Willoughby David. (2003). The world of music (7th edition.). McGraw Hill.

Chicago Style (17th ed.) Citation

Willoughby David. The World of Music. 7th edition. USA: McGraw Hill, 2003.

MLA (9th ed.) Citation

Willoughby David. The World of Music. 7th edition. McGraw Hill, 2003.