Cita APA (7th ed.)

Hofman, H. O. (1914). Metallurgy of copper. McGraw-Hill book company, inc..

Cita Chicago (17th ed.)

Hofman, H. O. Metallurgy of Copper. New York [etc.]: McGraw-Hill book company, inc., 1914.

Cita MLA (8th ed.)

Hofman, H. O. Metallurgy of Copper. McGraw-Hill book company, inc., 1914.

Atenció: Aquestes cites poden no estar 100% correctes.