APA (7th ed.) Citation

Duckworth, W. (1998). A creative approach to music fundamentals (6th ed.). Wadsworth Pub.

Chicago Style (17th ed.) Citation

Duckworth, William. A Creative Approach to Music Fundamentals. 6th ed. Belmont, Calif: Wadsworth Pub, 1998.

MLA (9th ed.) Citation

Duckworth, William. A Creative Approach to Music Fundamentals. 6th ed. Wadsworth Pub, 1998.