To cite package ‘latticeExtra’ in publications use:

  Sarkar D, Andrews F (2025). _latticeExtra: Extra Graphical Utilities
  Based on Lattice_. R package version 0.6-32,
  <https://github.com/deepayan/latticeextra>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {latticeExtra: Extra Graphical Utilities Based on Lattice},
    author = {Deepayan Sarkar and Felix Andrews},
    year = {2025},
    note = {R package version 0.6-32},
    url = {https://github.com/deepayan/latticeextra},
  }