This service has an associated publication. If you use its data, it may be appropriate to reference 2011A&A...536A..50P (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:am_lensing_cands,
year=2008,
title={Candidates for astrometric microlensing},
author={Demleitner, M. and Proft, S.},
url={https://dc.g-vo.org/amlensing/q/q/info},
howpublished={{VO} resource provided by the {GAVO} Data Center}
}