To cite DEA in publications use:

David H. Bernstein, Zuleyka Diaz-Martinez, Jose Fernandez-Menendez (2026). DEA: Data Envelopment Analysis. R package version 1.0.0, https://CRAN.R-project.org/package=DEA.

Corresponding BibTeX entry:

  @Manual{,
    title = {DEA: Data Envelopment Analysis},
    author = {{David H. Bernstein} and {Zuleyka Diaz-Martinez} and
      {Jose Fernandez-Menendez}},
    year = {2026},
    note = {R package version 1.0.0},
    url = {https://CRAN.R-project.org/package=DEA},
  }