APA (7th ed.) Citation

David, W. (1980). The harmonics of sound, color, and vibration: A system for self-awareness and soul evolution. DeVorss.

Chicago Style (17th ed.) Citation

David, William. The Harmonics of Sound, Color, and Vibration: A System for Self-awareness and Soul Evolution. Marina del Rey, CA: DeVorss, 1980.

MLA (9th ed.) Citation

David, William. The Harmonics of Sound, Color, and Vibration: A System for Self-awareness and Soul Evolution. DeVorss, 1980.