To cite package ‘hashtable’ in publications use:

Gu Z (2026). hashtable: Hash Table and Hash Set. R package version 1.0.0, https://CRAN.R-project.org/package=hashtable.

Corresponding BibTeX entry:

  @Manual{,
    title = {hashtable: Hash Table and Hash Set},
    author = {Zuguang Gu},
    year = {2026},
    note = {R package version 1.0.0},
    url = {https://CRAN.R-project.org/package=hashtable},
  }