To cite package ‘regmed’ in publications use:

  Sinnwell J, Schaid D (2023). _regmed: Regularized Mediation
  Analysis_. R package version 2.1.0,
  <https://CRAN.R-project.org/package=regmed>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {regmed: Regularized Mediation Analysis},
    author = {Jason Sinnwell and Daniel Schaid},
    year = {2023},
    note = {R package version 2.1.0},
    url = {https://CRAN.R-project.org/package=regmed},
  }