APA (7th ed.) Citation

(2004). Pro Tools reference guide: Version 6.7 for HD or LE Systems on Windows or Macintosh. Digidesign.

Chicago Style (17th ed.) Citation

Pro Tools Reference Guide: Version 6.7 for HD or LE Systems on Windows or Macintosh. Daly City, Calif: Digidesign, 2004.

MLA (9th ed.) Citation

Pro Tools Reference Guide: Version 6.7 for HD or LE Systems on Windows or Macintosh. Digidesign, 2004.