To cite package ‘modmarg’ in publications use:

Gold A, Olin N, Wang A (2020). modmarg: Calculating Marginal Effects and Levels with Errors. R package version 0.9.6, https://github.com/anniejw6/modmarg.

Corresponding BibTeX entry:

  @Manual{,
    title = {modmarg: Calculating Marginal Effects and Levels with
      Errors},
    author = {Alex Gold and Nat Olin and Annie Wang},
    year = {2020},
    note = {R package version 0.9.6},
    url = {https://github.com/anniejw6/modmarg},
  }