To cite the service as such, we suggest the following BibTeX entry:
@MISC{vo:GloTS_plain, year=2010, title={Global {TAP} Schema Simple Search}, author={The {GAVO} data center team}, url={http://gavo.aip.de/glots/q/plain/info}, howpublished={{VO} resource provided by the {AIP} {DaCHS}} }