To cite package ‘xtrec’ in publications use:

Alkhalaf M (2026). xtrec: Panel Unit Root Test Based on Recursive Detrending. R package version 1.0.0, https://github.com/muhammedalkhalaf/xtrec.

Corresponding BibTeX entry:

  @Manual{,
    title = {xtrec: Panel Unit Root Test Based on Recursive
      Detrending},
    author = {Muhammad Alkhalaf},
    year = {2026},
    note = {R package version 1.0.0},
    url = {https://github.com/muhammedalkhalaf/xtrec},
  }