APA (7th ed.) Citation

Duckworth, W. (2009). A creative approach to music fundamentals (Rev. ed.). Schirmer Cengage Learning.

Chicago Style (17th ed.) Citation

Duckworth, William. A Creative Approach to Music Fundamentals. Rev. ed. Boston, Mass: Schirmer Cengage Learning, 2009.

MLA (9th ed.) Citation

Duckworth, William. A Creative Approach to Music Fundamentals. Rev. ed. Schirmer Cengage Learning, 2009.