Cita APA (7th ed.)

DUFFIN, W., & W.J. DUFFIN. (1965). Electricity and magnetism.: DUFFIN. McGraw-Hill.

Cita Chicago (17th ed.)

DUFFIN, W.J, i W.J. DUFFIN. Electricity and Magnetism.: DUFFIN. London: McGraw-Hill, 1965.

Cita MLA (9th ed.)

DUFFIN, W.J, i W.J. DUFFIN. Electricity and Magnetism.: DUFFIN. McGraw-Hill, 1965.