To cite package ‘tableschema.r’ in publications use:

  Koupidis K, Ioannidis L, Bratsas C (2022). _tableschema.r: Table
  Schema 'Frictionless Data'_. R package version 1.1.2,
  <https://github.com/frictionlessdata/tableschema-r>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {tableschema.r: Table Schema 'Frictionless Data'},
    author = {Kleanthis Koupidis and Lazaros Ioannidis and Charalampos Bratsas},
    year = {2022},
    note = {R package version 1.1.2},
    url = {https://github.com/frictionlessdata/tableschema-r},
  }