APA (7th ed.) Citation

Freeth, N., & Alexander, C. (1999). The acoustic guitar. Quadrillion.

Chicago Style (17th ed.) Citation

Freeth, Nick, and Charles Alexander. The Acoustic Guitar. Surrey, [England]: Quadrillion, 1999.

MLA (9th ed.) Citation

Freeth, Nick, and Charles Alexander. The Acoustic Guitar. Quadrillion, 1999.