This service has an associated publication. If you use its data, it may be appropriate to reference 1997yCat.6049....0D (ADS BibTeX entry for the publication) either in addition to or instead of the service reference.
To cite the service as such, we suggest the following BibTeX entry:
@MISC{vo:cstl_cone, year=2021, title={Constellations as Polygons}, author={Davenhall, A.C. and Legget, S.K.}, url={https://dc.zah.uni-heidelberg.de/cstl/q/cone/info}, howpublished={{VO} resource provided by the {GAVO} Data Center} }