To cite package LadR in publications use:

Rodrigues, K. A. S., (2019). Diagnostic in L1 Regression (dissertation). R package version 1.0.6

Corresponding BibTeX entry:

  @Manual{,
    title = {Diagnostic in L1 Regression (dissertation)},
    author = {Kévin Allan Sales Rodrigues},
    year = {2019},
    note = {R package version 1.0.6},
  }