To cite package ‘DIDHAD’ in publications use:

Ciccia D, Knau F, Sow D, de Chaisemartin C, D'Haultfoeuille X (2025). DIDHAD: Difference-in-Differences in Heterogeneous Adoption Designs with Quasi Untreated Groups. R package version 2.0.0, https://CRAN.R-project.org/package=DIDHAD.

Corresponding BibTeX entry:

  @Manual{,
    title = {DIDHAD: Difference-in-Differences in Heterogeneous
      Adoption Designs with Quasi Untreated Groups},
    author = {Diego Ciccia and Felix Knau and Doulo Sow and Clément {de
      Chaisemartin} and Xavier D'Haultfoeuille},
    year = {2025},
    note = {R package version 2.0.0},
    url = {https://CRAN.R-project.org/package=DIDHAD},
  }