Cita APA (7th ed.)
Cotton, H. (1959). Electrical technology. Sir Isaac Pitman & Sons.
Cita Chicago (17th ed.)
Cotton, H. Electrical Technology. London: Sir Isaac Pitman & Sons, 1959.
Cita MLA (9th ed.)
Cotton, H. Electrical Technology. Sir Isaac Pitman & Sons, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.