This service has an associated publication. If you use its data, it may be appropriate to reference 2017ApJ...844..155T (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:ppakm31_web, year=2020, title={{PPAKM31} – Optical Integral Field Spectroscopy of Star-Forming Regions in M31}, author={Kreckel, K. and Tomičić, N. and Sandstrom, K. and Groves, B.}, url={http://dc.zah.uni-heidelberg.de/ppakm31/q/i/info}, howpublished={{VO} resource provided by the {GAVO} Data Center} }