To cite package ‘facerec’ in publications use:

Schwemmer C (2019). facerec: An Interface for Face Recognition. R package version 0.1.0, https://github.com/cschwem2er/facerec.

Corresponding BibTeX entry:

  @Manual{,
    title = {facerec: An Interface for Face Recognition},
    author = {Carsten Schwemmer},
    year = {2019},
    note = {R package version 0.1.0},
    url = {https://github.com/cschwem2er/facerec},
  }