Siemens Aktiengesellschaft. (1997). 150 years of Siemens: The company from 1847 to 1997. SiemensForum.
Chicago Style (17th ed.) CitationSiemens Aktiengesellschaft. 150 Years of Siemens: The Company from 1847 to 1997. München: SiemensForum, 1997.
MLA (9th ed.) CitationSiemens Aktiengesellschaft. 150 Years of Siemens: The Company from 1847 to 1997. SiemensForum, 1997.
Warning: These citations may not always be 100% accurate.