To cite package ‘metatools’ in publications use:

  Fillmore C, Stackhouse M, Stoilova J, Senior T (2024). _metatools:
  Enable the Use of 'metacore' to Help Create and Check Dataset_. R
  package version 0.1.6,
  <https://CRAN.R-project.org/package=metatools>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {metatools: Enable the Use of 'metacore' to Help Create and Check Dataset},
    author = {Christina Fillmore and Mike Stackhouse and Jana Stoilova and Tamara Senior},
    year = {2024},
    note = {R package version 0.1.6},
    url = {https://CRAN.R-project.org/package=metatools},
  }