To cite lineartestr in publications use:

Garza F (2020). lineartestr: Test the linear specification of a model. R package version 1.0.0, https://github.com/FedericoGarza/lineartestr.

Corresponding BibTeX entry:

  @Manual{,
    title = {{lineartestr}: Test the linear specification of a model},
    author = {Federico Garza},
    year = {2020},
    note = {R package version 1.0.0},
    url = {https://github.com/FedericoGarza/lineartestr},
  }