To cite package ‘europepmc’ in publications use:

Jahn N (2023). europepmc: R Interface to the Europe PubMed Central RESTful Web Service. R package version 0.4.3, https://github.com/ropensci/europepmc.

Corresponding BibTeX entry:

  @Manual{,
    title = {europepmc: R Interface to the Europe PubMed Central
      RESTful Web Service},
    author = {Najko Jahn},
    year = {2023},
    note = {R package version 0.4.3},
    url = {https://github.com/ropensci/europepmc},
  }