APA (7th ed.) Citation

Lincoln Electric Company. (1950). Procedure handbook of arc welding, design and practice (9th ed.). s.n.

Chicago Style (17th ed.) Citation

Lincoln Electric Company. Procedure Handbook of Arc Welding, Design and Practice. 9th ed. Cleveland: s.n, 1950.

MLA (9th ed.) Citation

Lincoln Electric Company. Procedure Handbook of Arc Welding, Design and Practice. 9th ed. s.n, 1950.