Cita APA

Siemens, G. (1957). History of the house of Siemens. Freiburg: Verlag Karl Alber.

Chicago Style Citation

Siemens, Georg. History of the House of Siemens. Freiburg: Verlag Karl Alber, 1957.

Cita MLA

Siemens, Georg. History of the House of Siemens. Freiburg: Verlag Karl Alber, 1957.

Atenció: Aquestes cites poden no estar 100% correctes.