APA (7th ed.) Citation

Neidhöfer, C. Twelve-Tone Theory. Gesellschaft für Musiktheorie (GMTH).

Chicago Style (17th ed.) Citation

Neidhöfer, Christoph. Twelve-Tone Theory. Gesellschaft für Musiktheorie (GMTH).

MLA (9th ed.) Citation

Neidhöfer, Christoph. Twelve-Tone Theory. Gesellschaft für Musiktheorie (GMTH).

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