APA (7th ed.) Citation

Heating, Piping and Air Conditioning Contractors National Association. (1951). Standard manual on pipe welding ([2d ed.].). [publisher not identified].

Chicago Style (17th ed.) Citation

Heating, Piping and Air Conditioning Contractors National Association. Standard Manual on Pipe Welding. [2d ed.]. New York: [publisher not identified], 1951.

MLA (9th ed.) Citation

Heating, Piping and Air Conditioning Contractors National Association. Standard Manual on Pipe Welding. [2d ed.]. [publisher not identified], 1951.