To cite package greekLetters in publications use:

Rodrigues KAS (2024). “greekLetters: Routines for Writing Greek Letters and Mathematical Symbols on the RStudio and RGui.” Journal of Behavioral Data Science, 4(2), 1–6. doi:10.35566/jbds/rodrigues, https://jbds.isdsa.org/jbds/article/view/92.

Corresponding BibTeX entry:

  @Article{,
    title = {greekLetters: Routines for Writing Greek Letters and
      Mathematical Symbols on the RStudio and RGui},
    journal = {Journal of Behavioral Data Science},
    author = {Kévin Allan Sales Rodrigues},
    year = {2024},
    volume = {4},
    number = {2},
    pages = {1–6},
    doi = {10.35566/jbds/rodrigues},
    url = {https://jbds.isdsa.org/jbds/article/view/92},
    abstractnote = {This is a brief description of the R package
      greekLetters. In short, greekLetters is a package for displaying
      Greek letters and various mathematical symbols in RStudio and
      RGui environments.},
  }