APA (7th ed.) Citation

Wallich, P. The ghosts of computers past. IEEE spectrum.

Chicago Style (17th ed.) Citation

Wallich, P. "The Ghosts of Computers Past." IEEE Spectrum .

MLA (9th ed.) Citation

Wallich, P. "The Ghosts of Computers Past." IEEE Spectrum, .

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