To cite package ‘emayili’ in publications use:

  Collier AB (2025). _emayili: Send Email Messages_. R package version
  0.9.3, <https://CRAN.R-project.org/package=emayili>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {emayili: Send Email Messages},
    author = {Andrew B. Collier},
    year = {2025},
    note = {R package version 0.9.3},
    url = {https://CRAN.R-project.org/package=emayili},
  }