To cite package ‘rcrossref’ in publications use:

Chamberlain S, Zhu H, Jahn N, Boettiger C, Ram K (2025). rcrossref: Client for Various 'CrossRef' 'APIs'. R package version 1.2.1, https://github.com/ropensci/rcrossref.

Corresponding BibTeX entry:

  @Manual{,
    title = {rcrossref: Client for Various 'CrossRef' 'APIs'},
    author = {Scott Chamberlain and Hao Zhu and Najko Jahn and Carl
      Boettiger and Karthik Ram},
    year = {2025},
    note = {R package version 1.2.1},
    url = {https://github.com/ropensci/rcrossref},
  }