APA (7th ed.) Citation

Giachino, J. W., Weeks, W. R., & Johnson, G. S. (1968). Welding technology. American Technical Society.

Chicago Style (17th ed.) Citation

Giachino, Joseph William, William R. Weeks, and George Stewart Johnson. Welding Technology. Chicago: American Technical Society, 1968.

MLA (9th ed.) Citation

Giachino, Joseph William, et al. Welding Technology. American Technical Society, 1968.