To cite package ‘ztils’ in publications use:

  Peagler Z (2025). _ztils: Various Common Statistical Utilities_. R
  package version 1.1.2, <https://github.com/zachpeagler/ztils>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ztils: Various Common Statistical Utilities},
    author = {Zach Peagler},
    year = {2025},
    note = {R package version 1.1.2},
    url = {https://github.com/zachpeagler/ztils},
  }