To cite package ‘whoami’ in publications use:

  Csárdi G (2024). _whoami: Username, Full Name, Email Address,
  'GitHub' Username of the Current User_. R package version 1.3.0.9000,
  , <https://github.com/r-lib/whoami>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {whoami: Username, Full Name, Email Address, 'GitHub' Username of the
Current User},
    author = {Gábor Csárdi},
    year = {2024},
    note = {R package version 1.3.0.9000, 
},
    url = {https://github.com/r-lib/whoami},
  }