APA (7th ed.) Citation

Smith, A. P. (2001). Rio Narcea buys Spanish nickel, copper, PGM mine. American Metal Market, 109(138), 4.

Chicago Style (17th ed.) Citation

Smith, A. P. "Rio Narcea Buys Spanish Nickel, Copper, PGM Mine." American Metal Market 109, no. 138 (2001): 4.

MLA (9th ed.) Citation

Smith, A. P. "Rio Narcea Buys Spanish Nickel, Copper, PGM Mine." American Metal Market, vol. 109, no. 138, 2001, p. 4.