APA (7th ed.) Citation

Welding Institute. (1982). Weld symbols on drawings. Welding Institute.

Chicago Style (17th ed.) Citation

Welding Institute. Weld Symbols on Drawings. Cambridge, UK: Welding Institute, 1982.

MLA (8th ed.) Citation

Welding Institute. Weld Symbols on Drawings. Welding Institute, 1982.

Warning: These citations may not always be 100% accurate.