APA (7th ed.) Citation

Hahne, B., & Kassel, H. (1981). Was darf ein Computer? Siemens.

Chicago Style (17th ed.) Citation

Hahne, Bernd, and Hans Kassel. Was Darf Ein Computer? Berlin [u. a.]: Siemens, 1981.

MLA (8th ed.) Citation

Hahne, Bernd, and Hans Kassel. Was Darf Ein Computer? Siemens, 1981.

Warning: These citations may not always be 100% accurate.