To cite package ‘DIDHAD’ in publications use:

  Ciccia D, Knau F, Sow D, de Chaisemartin C, D'Haultfoeuille X (2024).
  _DIDHAD: Difference-in-Differences in Heterogeneous Adoption Designs
  with Quasi Stayers_. R package version 1.0.1,
  <https://CRAN.R-project.org/package=DIDHAD>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {DIDHAD: Difference-in-Differences in Heterogeneous Adoption Designs with
Quasi Stayers},
    author = {Diego Ciccia and Felix Knau and Doulo Sow and Clément {de Chaisemartin} and Xavier D'Haultfoeuille},
    year = {2024},
    note = {R package version 1.0.1},
    url = {https://CRAN.R-project.org/package=DIDHAD},
  }