Cita APA (7th ed.)

Christena, S. B. (2015). Learn to weld: Beginning MIG welding and metal fabrication basics. Crestline.

Cita Chicago (17th ed.)

Christena, Stephen Blake. Learn to Weld: Beginning MIG Welding and Metal Fabrication Basics. London: Crestline, 2015.

Cita MLA (9th ed.)

Christena, Stephen Blake. Learn to Weld: Beginning MIG Welding and Metal Fabrication Basics. Crestline, 2015.