Cita APA (7th ed.)

Howell, J. M., & Gawthorne, J. M. (1987). Copper in Animals and Man. CRC Press.

Cita Chicago (17th ed.)

Howell, John McC, i Jeffrey M. Gawthorne. Copper in Animals and Man. Boca Raton, Florida: CRC Press, 1987.

Cita MLA (9th ed.)

Howell, John McC, i Jeffrey M. Gawthorne. Copper in Animals and Man. CRC Press, 1987.