To cite the service as such, we suggest the following BibTeX entry:
@MISC{vo:gavoadql, year=2008, title={{ADQL} Query}, author={{PADC}}, url={http://voparis-tap-helio.obspm.fr/__system__/adql/query/info}, howpublished={{VO} resource provided by the {PADC} {TAP} Server on voparis-tap-helio.obspm.fr} }