APA (7th ed.) Citation

(1925). Tentative Section IX of report of National Screw Thread Commission. [publisher not identified].

Chicago Style (17th ed.) Citation

Tentative Section IX of Report of National Screw Thread Commission. Washington, D.C.: [publisher not identified], 1925.

MLA (9th ed.) Citation

Tentative Section IX of Report of National Screw Thread Commission. [publisher not identified], 1925.