APA (7th ed.) Citation

Society for Music Theory & Simms, B. R. Music theory spectrum. Society for Music Theory].

Chicago Style (17th ed.) Citation

Society for Music Theory and Bryan R. Simms. Music Theory Spectrum. [Bloomington, Ind.: Society for Music Theory].

MLA (8th ed.) Citation

Society for Music Theory and Bryan R. Simms. Music Theory Spectrum. Society for Music Theory].