To cite package ‘gdx2’ in publications use:

  Dietrich J (2024). _gdx2: Interface package for GDX files in R_. R
  package version 0.3.2.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {gdx2: Interface package for GDX files in R},
    author = {Jan Philipp Dietrich},
    year = {2024},
    note = {R package version 0.3.2},
  }