Cita APA (7th ed.)

Duffin, W. (1990). Electricity and magnetism: W. J. Duffin. McGraw-Hill.

Cita Chicago (17th ed.)

Duffin, W.J. Electricity and Magnetism: W. J. Duffin. London: McGraw-Hill, 1990.

Cita MLA (9th ed.)

Duffin, W.J. Electricity and Magnetism: W. J. Duffin. McGraw-Hill, 1990.