To cite package ‘classInt’ in publications use:

Bivand R (2025). classInt: Choose Univariate Class Intervals. R package version 0.4-11, https://github.com/r-spatial/classint.

Corresponding BibTeX entry:

  @Manual{,
    title = {classInt: Choose Univariate Class Intervals},
    author = {Roger Bivand},
    year = {2025},
    note = {R package version 0.4-11},
    url = {https://github.com/r-spatial/classint},
  }