To cite package 'abbyyR' in publications use:

Gaurav Sood (2017). abbyyR: Access Abbyy FineReader Cloud OCR API via R. R package version 0.5.1.

Corresponding BibTeX entry:

  @Manual{,
    title = {abbyyR: Access Abbyy FineReader Cloud OCR API via R},
    author = {Gaurav SOod},
    year = {2017},
    note = {R package version 0.5.1},
  }