Cita APA (7a ed.)

Rieger, H. (1973). Alternating voltage and current. Siemens.

Cita Chicago Style (17a ed.)

Rieger, Heinz. Alternating Voltage and Current. Berlín: Siemens, 1973.

Cita MLA (8a ed.)

Rieger, Heinz. Alternating Voltage and Current. Siemens, 1973.