APA (7th ed.) Citation

American Standards Association. Sectional Committee on Standardization and Unification of Screw Threads, B 1. (1949). American standard unified and American screw threads for screws, bolts, nuts, and other threaded parts. American Society of Mechanical Engineers.

Chicago Style (17th ed.) Citation

American Standards Association. Sectional Committee on Standardization and Unification of Screw Threads, B 1. American Standard Unified and American Screw Threads for Screws, Bolts, Nuts, and Other Threaded Parts. New York: American Society of Mechanical Engineers, 1949.

MLA (9th ed.) Citation

American Standards Association. Sectional Committee on Standardization and Unification of Screw Threads, B 1. American Standard Unified and American Screw Threads for Screws, Bolts, Nuts, and Other Threaded Parts. American Society of Mechanical Engineers, 1949.