To cite package ‘Rcssplot’ in publications use:

  Konopka T (2024). _Rcssplot: Styling of Graphics using Cascading
  Style Sheets_. R package version 1.1.0,
  <https://github.com/tkonopka/rcssplot>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {Rcssplot: Styling of Graphics using Cascading Style Sheets},
    author = {Tomasz Konopka},
    year = {2024},
    note = {R package version 1.1.0},
    url = {https://github.com/tkonopka/rcssplot},
  }