Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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