APA引文

Upson, S. A Global Search Engine For Geospatial Data. IEEE spectrum.

Chicago Style (17th ed.) Citation

Upson, S. "A Global Search Engine For Geospatial Data." IEEE Spectrum .

MLA引文

Upson, S. "A Global Search Engine For Geospatial Data." IEEE Spectrum, .

警告：這些引文格式不一定是100％准確.