To cite package ‘contentanalysis’ in publications use:

  Aria M, Cuccurullo C (2026). _contentanalysis: Scientific Content and
  Citation Analysis from PDF Documents_. R package version 1.1.0.9000,
  <https://github.com/massimoaria/contentanalysis>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {contentanalysis: Scientific Content and Citation Analysis from PDF Documents},
    author = {Massimo Aria and Corrado Cuccurullo},
    year = {2026},
    note = {R package version 1.1.0.9000},
    url = {https://github.com/massimoaria/contentanalysis},
  }