To cite package ‘dm’ in publications use:

  Schieferdecker T, Müller K, Bergant D (2024). _dm: Relational Data
  Models_. R package version 1.0.11,
  <https://CRAN.R-project.org/package=dm>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {dm: Relational Data Models},
    author = {Tobias Schieferdecker and Kirill Müller and Darko Bergant},
    year = {2024},
    note = {R package version 1.0.11},
    url = {https://CRAN.R-project.org/package=dm},
  }