When using this data, please cite the original publication:

Additionally, you should cite the record:

@misc{hepdata.63897, author = "{ATLAS Collaboration}", title = "{Measurement of hard double-parton interactions in $W(\to l\nu)$+ 2 jet events at $\sqrt{s}$=7 TeV with the ATLAS detector}", howpublished = "{HEPData (collection)}", year = 2014, note = "\url{https://doi.org/10.17182/hepdata.63897}" }

or, if you prefer, a specific version of the record:

@misc{hepdata.63897.v1, author = "{ATLAS Collaboration}", title = "{Measurement of hard double-parton interactions in $W(\to l\nu)$+ 2 jet events at $\sqrt{s}$=7 TeV with the ATLAS detector (Version 1)}", howpublished = "{HEPData (collection)}", year = 2014, note = "\url{https://doi.org/10.17182/hepdata.63897.v1}" }

You can also cite this table directly.

@misc{hepdata.63897.v1/t1, author = "{ATLAS Collaboration}", title = "{``Table 1'' of ``Measurement of hard double-parton interactions in $W(\to l\nu)$+ 2 jet events at $\sqrt{s}$=7 TeV with the ATLAS detector'' (Version 1)}", howpublished = "{HEPData (dataset)}", year = 2014, note = "\url{https://doi.org/10.17182/hepdata.63897.v1/t1}" }