APA ציטוט

Siemens, G. (1957). History of the House of Siemens Vol II: Era of world Wars. Karl Alber.

Chicago Edition Citation

Siemens, Georg. History of the House of Siemens Vol II: Era of World Wars. Munich: Karl Alber, 1957.

ציטוט MLA

Siemens, Georg. History of the House of Siemens Vol II: Era of World Wars. Karl Alber, 1957.