Cita APA (7th ed.)
Gunn, G. (2014). Critical metals handbook. John Wiley & Sons.
Cita Chicago (17th ed.)
Gunn, Gus. Critical Metals Handbook. Hoboken, NJ: John Wiley & Sons, 2014.
Cita MLA (9th ed.)
Gunn, Gus. Critical Metals Handbook. John Wiley & Sons, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.