APA (7th ed.) Citation

Harms, W. The Unplugged Guitar Book. Gerig.

Chicago Style (17th ed.) Citation

Harms, Wieland. The Unplugged Guitar Book. Bonn: Gerig.

MLA (8th ed.) Citation

Harms, Wieland. The Unplugged Guitar Book. Gerig.

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