To cite package ‘kwb.rect’ in publications use:

  Sonnenberg H (2024). _kwb.rect: R Package for Plotting Rectangles_. R
  package version 0.0.0.9000, <https://github.com/kwb-r/kwb.rect>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {kwb.rect: R Package for Plotting Rectangles},
    author = {Hauke Sonnenberg},
    year = {2024},
    note = {R package version 0.0.0.9000},
    url = {https://github.com/kwb-r/kwb.rect},
  }