To cite package ‘YatchewTest’ in publications use:

  Ciccia D, Knau F, Sow D, de Chaisemartin C, D'Haultfoeuille X (2024).
  _YatchewTest: Yatchew (1997), De Chaisemartin & D'Haultfoeuille
  (2024) Linearity Test_. R package version 1.1.1,
  <https://CRAN.R-project.org/package=YatchewTest>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {YatchewTest: Yatchew (1997), De Chaisemartin & D'Haultfoeuille (2024)
Linearity Test},
    author = {Diego Ciccia and Felix Knau and Doulo Sow and Clément {de Chaisemartin} and Xavier D'Haultfoeuille},
    year = {2024},
    note = {R package version 1.1.1},
    url = {https://CRAN.R-project.org/package=YatchewTest},
  }