APA (7th ed.) Citation

Parkin, N., & Flood, C. R. (1969). Welding craft practice. Pergamon Press.

Chicago Style (17th ed.) Citation

Parkin, N., and C. R. Flood. Welding Craft Practice. Oxford, New York: Pergamon Press, 1969.

MLA (9th ed.) Citation

Parkin, N., and C. R. Flood. Welding Craft Practice. Pergamon Press, 1969.