Citazione APA

Scheck, L. R. A., & Edmondson, G. C. (1975). Practical welding. Collier Mac millan.

Stile di citazione Chicago

Scheck, Le Roy A., e G C. Edmondson. Practical Welding. London: Collier Mac millan, 1975.

Citazione MLA

Scheck, Le Roy A., e G C. Edmondson. Practical Welding. Collier Mac millan, 1975.