Cita APA (7th ed.)

Knight, U. G. (1972). Power systems engineering and mathematics. Pergamon Press.

Cita Chicago (17th ed.)

Knight, Upton George. Power Systems Engineering and Mathematics. Oxford: Pergamon Press, 1972.

Cita MLA (9th ed.)

Knight, Upton George. Power Systems Engineering and Mathematics. Pergamon Press, 1972.