APA (7th ed.) Citation

(2008). Sharpen your string technique!: Teen strings shows you how--. String Letter Pub.

Chicago Style (17th ed.) Citation

Sharpen Your String Technique!: Teen Strings Shows You How--. San Anselmo, Calif: String Letter Pub, 2008.

MLA (9th ed.) Citation

Sharpen Your String Technique!: Teen Strings Shows You How--. String Letter Pub, 2008.

Warning: These citations may not always be 100% accurate.