APA (7th ed.) Citation

Hellemans, A. Left-handed material reacts to 3-D light. IEEE spectrum.

Chicago Style (17th ed.) Citation

Hellemans, A. "Left-handed Material Reacts to 3-D Light." IEEE Spectrum .

MLA (9th ed.) Citation

Hellemans, A. "Left-handed Material Reacts to 3-D Light." IEEE Spectrum, .

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