To cite package ‘ulid’ in publications use:

  Rudis B, Verma S, Eddelbuettel D (2024). _ulid: Generate Universally
  Unique 'Lexicographically' 'Sortable' Identifiers_. R package version
  0.4.0.1, <https://github.com/eddelbuettel/ulid>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ulid: Generate Universally Unique 'Lexicographically' 'Sortable'
Identifiers},
    author = {Bob Rudis and Suyash Verma and Dirk Eddelbuettel},
    year = {2024},
    note = {R package version 0.4.0.1},
    url = {https://github.com/eddelbuettel/ulid},
  }