APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：這些引文格式不一定是100％准確.