To cite the enhanced vioplot package in publications use:

Daniel Adler and S. Thomas Kelly (2018). vioplot: violin plot. R package version 0.3.0 https://github.com/TomKellyGenetics/vioplot

Please also acknowledge the original package: citation("vioplot")

Corresponding BibTeX entry:

  @Manual{,
    title = {vioplot: violin plot},
    author = {Daniel Adler and S. Thomas Kelly},
    year = {2018},
    note = {R package version 0.3.0},
    url = {https://github.com/TomKellyGenetics/vioplot},
  }