To cite package ‘ulid’ in publications use:

Rudis B, Verma S, Eddelbuettel D (2026). ulid: Generate Universally Unique 'Lexicographically' 'Sortable' Identifiers. R package version 0.4.0.2, https://github.com/eddelbuettel/ulid.

Corresponding BibTeX entry:

  @Manual{,
    title = {ulid: Generate Universally Unique 'Lexicographically'
      'Sortable' Identifiers},
    author = {Bob Rudis and Suyash Verma and Dirk Eddelbuettel},
    year = {2026},
    note = {R package version 0.4.0.2},
    url = {https://github.com/eddelbuettel/ulid},
  }