Cita APA (7a ed.)

Underhill, C. R. (1933). Electrons at work. A simple and general treatise on elctronic devices, their circuits, and industrial uses. McGraw-Hill.

Cita Chicago Style (17a ed.)

Underhill, Charles R. Electrons at Work. A Simple and General Treatise on Elctronic Devices, Their Circuits, and Industrial Uses. New York: McGraw-Hill, 1933.

Cita MLA (9a ed.)

Underhill, Charles R. Electrons at Work. A Simple and General Treatise on Elctronic Devices, Their Circuits, and Industrial Uses. McGraw-Hill, 1933.