Zorpette, G. New life for Nixies [in digital clocks]. IEEE spectrum.
芝加哥风格引文Zorpette, G. "New Life for Nixies [in Digital Clocks]." IEEE Spectrum .
MLA引文Zorpette, G. "New Life for Nixies [in Digital Clocks]." IEEE Spectrum, .
警告：这些引文格式不一定是100％准确.
APA引文