This service has an associated publication. If you use its data, it may be appropriate to reference 2015AN....336..590H (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:bgds_sia, year=2017, title={Bochum Galactic Disk Survey ({BGDS}) images}, author={Hackstein, M. and Blex, J. and Haas, M. and Fein, C. and Chini, R.}, url={http://dc.zah.uni-heidelberg.de/bgds/q/sia/info}, howpublished={{VO} resource provided by the {GAVO} Data Center} }
Some services have additional advice or requests on citing in their copyright information. For this service, that is:
If you use GDS data, please cite 2015AN....336..590H.