APA (7th ed.) Citation

Mc-Master, R. C. (1947). Classification and recording of spot-weld defects revealed by radiography. Welding Journal, 26, 121.

Chicago Style (17th ed.) Citation

Mc-Master, R. C. "Classification and Recording of Spot-weld Defects Revealed by Radiography." Welding Journal 26 (1947): 121.

MLA (9th ed.) Citation

Mc-Master, R. C. "Classification and Recording of Spot-weld Defects Revealed by Radiography." Welding Journal, vol. 26, 1947, p. 121.