To cite package ‘ggrastr’ in publications use:

  Petukhov V, van den Brand T, Biederstedt E (2023). _ggrastr:
  Rasterize Layers for 'ggplot2'_. R package version 1.0.2,
  <https://github.com/vpetukhov/ggrastr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggrastr: Rasterize Layers for 'ggplot2'},
    author = {Viktor Petukhov and Teun {van den Brand} and Evan Biederstedt},
    year = {2023},
    note = {R package version 1.0.2},
    url = {https://github.com/vpetukhov/ggrastr},
  }