To cite package ‘dotenv’ in publications use:

Csárdi G (2022). dotenv: Load Environment Variables from '.env'. R package version 1.0.3.9000, https://github.com/gaborcsardi/dotenv.

Corresponding BibTeX entry:

  @Manual{,
    title = {dotenv: Load Environment Variables from '.env'},
    author = {Gábor Csárdi},
    year = {2022},
    note = {R package version 1.0.3.9000},
    url = {https://github.com/gaborcsardi/dotenv},
  }