Cita APA (7a ed.)

Happ, H. H. (1980). Piecewise methods and applications to power systems. Wiley.

Cita Chicago Style (17a ed.)

Happ, H. H. Piecewise Methods and Applications to Power Systems. New York: Wiley, 1980.

Cita MLA (9a ed.)

Happ, H. H. Piecewise Methods and Applications to Power Systems. Wiley, 1980.