To cite package ‘rddensity’ in publications use:

  Cattaneo MD, Jansson M, Ma X (2024). _rddensity: Manipulation Testing
  Based on Density Discontinuity_. R package version 2.6,
  <https://CRAN.R-project.org/package=rddensity>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rddensity: Manipulation Testing Based on Density Discontinuity},
    author = {Matias D. Cattaneo and Michael Jansson and Xinwei Ma},
    year = {2024},
    note = {R package version 2.6},
    url = {https://CRAN.R-project.org/package=rddensity},
  }