To cite package ‘filters’ in publications use:

  Neitman T (2024). _filters: A "Snake_case" Filter System for R_. R
  package version 0.3.1, <https://CRAN.R-project.org/package=filters>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {filters: A "Snake_case" Filter System for R},
    author = {Thomas Neitman},
    year = {2024},
    note = {R package version 0.3.1},
    url = {https://CRAN.R-project.org/package=filters},
  }