To cite package ‘negligible’ in publications use:

  Cribbie R, Alter U, Beribisky N, Chalmers P, Counsell A, Farmus L,
  Martinez Gutierrez N (2024). _negligible: A Collection of Functions
  for Negligible Effect/Equivalence Testing_. R package version 0.1.9,
  <https://CRAN.R-project.org/package=negligible>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {negligible: A Collection of Functions for Negligible Effect/Equivalence
Testing},
    author = {Robert Cribbie and Udi Alter and Nataly Beribisky and Phil Chalmers and Alyssa Counsell and Linda Farmus and Naomi {Martinez Gutierrez}},
    year = {2024},
    note = {R package version 0.1.9},
    url = {https://CRAN.R-project.org/package=negligible},
  }