APA
(1961). Extruded copper and copper alloy products. [s.l.]: [s.n.].
Chicago
1961. Extruded copper and copper alloy products. [s.l.]: [s.n.].
Harvard
(1961). Extruded copper and copper alloy products. [s.l.]: [s.n.].
MLA
Extruded copper and copper alloy products. [s.l.]: [s.n.]. 1961.