To cite package ‘tidypmc’ in publications use:

Stubben C (2019). tidypmc: Parse Full Text XML Documents from PubMed Central. R package version 1.8, https://github.com/ropensci/tidypmc.

Corresponding BibTeX entry:

  @Manual{,
    title = {tidypmc: Parse Full Text XML Documents from PubMed
      Central},
    author = {Chris Stubben},
    year = {2019},
    note = {R package version 1.8},
    url = {https://github.com/ropensci/tidypmc},
  }