To cite package 'tabulizer' in publications use:

Thomas J. Leeper (2018). tabulizer: Bindings for Tabula PDF Table Extractor Library. R package version 0.2.2.

Corresponding BibTeX entry:

  @Manual{,
    title = {tabulizer: Bindings for Tabula PDF Table Extractor
      Library},
    author = {Thomas J. Leeper},
    year = {2018},
    note = {R package version 0.2.2},
  }