Cita APA (7th ed.)

Purcell, E. M. Electricity and magnetism (Second edition.). New York.

Cita Chicago (17th ed.)

Purcell, Edward M. Electricity and Magnetism. Second edition. Cambridge: New York.

Cita MLA (9th ed.)

Purcell, Edward M. Electricity and Magnetism. Second edition. New York.