Cita APA (7a ed.)

Dummer, G. W. A. (1956). Variable resistors and potentiometers. Pitman.

Cita Chicago Style (17a ed.)

Dummer, G. W. A. Variable Resistors and Potentiometers. London: Pitman, 1956.

Cita MLA (9a ed.)

Dummer, G. W. A. Variable Resistors and Potentiometers. Pitman, 1956.