Valves-- flanged, threaded, and welding end /
American Society of Mechanical Engineers.

APA Citation

American National Standards Institute., American Society of Mechanical Engineers. (1997). Valves-- flanged, threaded, and welding end. New York, N.Y.: American Society of Mechanical Engineers.

MLA Citation

American National Standards Institute, and American Society of Mechanical Engineers. Valves-- Flanged, Threaded, And Welding End. New York, N.Y.: American Society of Mechanical Engineers, 1997.