To cite package ‘sdid’ in publications use:

  Alcocer J, Muttram H (2026). _sdid: Updated Synthetic
  Difference-in-Differences Estimation and Inference_. R package
  version 0.1.0, <https://github.com/alcocer-jj/sdid>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {sdid: Updated Synthetic Difference-in-Differences Estimation and
Inference},
    author = {Jose J. Alcocer and Harry G. Muttram},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/alcocer-jj/sdid},
  }