APA (7th ed.) Citation

Walker, J. R. (1981). Arc Welding Basic Fundamentals. [s.n.].

Chicago Style (17th ed.) Citation

Walker, John R. Arc Welding Basic Fundamentals. Illinois: [s.n.], 1981.

MLA (9th ed.) Citation

Walker, John R. Arc Welding Basic Fundamentals. [s.n.], 1981.