APA (7th ed.) Citation
Graphic Arts Technical Foundation. (1989). GATFworld. Graphic Arts Technical Foundation.
Chicago Style (17th ed.) Citation
Graphic Arts Technical Foundation. GATFworld. Pittsburgh, PA: Graphic Arts Technical Foundation, 1989.
MLA (9th ed.) Citation
Graphic Arts Technical Foundation. GATFworld. Graphic Arts Technical Foundation, 1989.
Warning: These citations may not always be 100% accurate.