To cite xtife in publications use:

Chen B (2026). xtife: Interactive Fixed Effects Estimator for Panel Data. R package version 0.1.4, https://CRAN.R-project.org/package=xtife.

Corresponding BibTeX entry:

  @Manual{,
    title = {{xtife}: Interactive Fixed Effects Estimator for Panel
      Data},
    author = {Binzhi Chen},
    year = {2026},
    note = {R package version 0.1.4},
    url = {https://CRAN.R-project.org/package=xtife},
  }