To cite the service as such, we suggest the following BibTeX entry:
@MISC{vo:HELP_Spectra_web, year=2017, title={{HELP} sources best fitting spectra from {CIGALE}.}, author={Yannick Roehlly}, url={https://herschel-vos.phys.sussex.ac.uk/bestseds/q/web/info}, howpublished={{VO} resource provided by the The Virtual Observatory at susseX ({VOX})} }