A dedicated web site can be found here.
If presenting or publishing previously published data, be sure to cite the original data reference(s) listed for each spectrum.
If you use this service in your research, please include the following acknowledgement in any resulting publications:
"Based on data from the SpeX Prism Library service developed by the Spanish Virtual Observatory in the framework of the IAU Comission G5 Working Group : Spectral Stellar Libraries".