Cita APA (7a ed.)

Ashcroft, K., & Lawson, G. S. (1958). Extrusion of metals, part 7: Pure aluminium and aluminium alloy D.T.D. 363. National Engineering Laboratory, Plasticity Division.

Cita Chicago Style (17a ed.)

Ashcroft, K., y G. S. Lawson. Extrusion of Metals, Part 7: Pure Aluminium and Aluminium Alloy D.T.D. 363. East Kilbride, Scotland: National Engineering Laboratory, Plasticity Division, 1958.

Cita MLA (8a ed.)

Ashcroft, K., y G. S. Lawson. Extrusion of Metals, Part 7: Pure Aluminium and Aluminium Alloy D.T.D. 363. National Engineering Laboratory, Plasticity Division, 1958.