Cita APA (7th ed.)

Hudson, R. G. (1941). Engineering electricity (3.).

Cita Chicago (17th ed.)

Hudson, Ralph G. Engineering Electricity. 3. New York, New York : J. Wiley, 1941.

Cita MLA (9th ed.)

Hudson, Ralph G. Engineering Electricity. 3. 1941.

Atenció: Aquestes cites poden no estar 100% correctes.