APA (7th ed.) Citation

O'Brien, R. L. (1967). Plasma arc metalworking processes. American Welding Society.

Chicago Style (17th ed.) Citation

O'Brien, Robert L. Plasma Arc Metalworking Processes. New York: American Welding Society, 1967.

MLA (9th ed.) Citation

O'Brien, Robert L. Plasma Arc Metalworking Processes. American Welding Society, 1967.