To cite the service as such, we suggest the following BibTeX entry:
@MISC{vo:OdP_RegTAP, year=2016, title={Observatoire de Paris {RegTAP} authority}, author={{PADC}}, url={http://www.g-vo.org}, howpublished={{VO} resource provided by the {PADC} {TAP} Server on voparis-rr.obspm.fr} }