To cite package ‘vegalite’ in publications use:

Rudis B, Wongsuphasawat, K, Heer J, Satyanarayan A, Bostock M, Zening, Becker J, Schep A (2018). vegalite: Tools to Encode Visualizations with the 'Grammar of Graphics'-Like 'Vega-Lite' 'Spec'. R package version 2.0.1, https://github.com/hrbrmstr/vegalite.

Corresponding BibTeX entry:

  @Manual{,
    title = {vegalite: Tools to Encode Visualizations with the 'Grammar
      of Graphics'-Like 'Vega-Lite' 'Spec'},
    author = {Bob Rudis and Kanit Wongsuphasawat, and Jeffrey Heer and
      Arvind Satyanarayan and Mike Bostock and {Zening} and Jason
      Becker and Alicia Schep},
    year = {2018},
    note = {R package version 2.0.1},
    url = {https://github.com/hrbrmstr/vegalite},
  }