To cite package 'margins' in publications use:

Leeper TJ (2024). margins: Marginal Effects for Model Objects. R package version 0.3.26.1.

Corresponding BibTeX entry:

  @Manual{,
    title = {margins: Marginal Effects for Model Objects},
    author = {Thomas J. Leeper},
    year = {2024},
    note = {R package version 0.3.26.1},
  }