Geier, M. Tools & Toys: It's All On The Wrist. IEEE spectrum.
芝加哥风格引文Geier, M.J. "Tools & Toys: It's All On The Wrist." IEEE Spectrum .
MLA引文Geier, M.J. "Tools & Toys: It's All On The Wrist." IEEE Spectrum, .
警告：这些引文格式不一定是100％准确.
APA引文