To cite package ‘mailtoR’ in publications use:

  Ihaddaden M (2024). _mailtoR: Creates a Friendly User Interface for
  Emails Sending in 'shiny'_. R package version 0.1.0,
  <https://github.com/feddelegrand7/mailtor>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {mailtoR: Creates a Friendly User Interface for Emails Sending in 'shiny'},
    author = {Mohamed El Fodil Ihaddaden},
    year = {2024},
    note = {R package version 0.1.0},
    url = {https://github.com/feddelegrand7/mailtor},
  }