APA (7th ed.) Citation
(1984). Tapping screw thread and thread ends, ISO 1478 modified. [s.n.].
Chicago Style (17th ed.) Citation
Tapping Screw Thread and Thread Ends, ISO 1478 Modified. [s.l.]: [s.n.], 1984.
MLA (9th ed.) Citation
Tapping Screw Thread and Thread Ends, ISO 1478 Modified. [s.n.], 1984.
Warning: These citations may not always be 100% accurate.