To cite package ‘crop’ in publications use:

Hofert M (2024). crop: Graphics Cropping Tool. R package version 0.0-3, https://CRAN.R-project.org/package=crop.

Corresponding BibTeX entry:

  @Manual{,
    title = {crop: Graphics Cropping Tool},
    author = {Marius Hofert},
    year = {2024},
    note = {R package version 0.0-3},
    url = {https://CRAN.R-project.org/package=crop},
  }