To cite the service as such, we suggest the following BibTeX entry:
@MISC{vo:eiueilewpset, year=2007, title={{CDPP} {VESPA} {EPN}-{TAP} {SERVICES}}, author={Could be same as contact.name}, url={http://cdpp-epntap.irap.omp.eu:80/__system__/services/root/info}, howpublished={{VO} resource provided by the {CDPP} {VESPA} {EPN}-{TAP} {SERVICES}} }