Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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