To cite package ‘hashmapR’ in publications use:

  Glinz S (2025). _hashmapR: Fast, Vectorized Hashmap_. R package
  version 1.0.1, <https://github.com/svensglinz/hashmapr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {hashmapR: Fast, Vectorized Hashmap},
    author = {Sven Glinz},
    year = {2025},
    note = {R package version 1.0.1},
    url = {https://github.com/svensglinz/hashmapr},
  }