To cite package ‘variability’ in publications use:

Popat R, Patel R, Parmar D (2020). variability: Genetic Variability Analysis for Plant Breeding Research. R package version 0.1.0, https://CRAN.R-project.org/package=variability.

Corresponding BibTeX entry:

  @Manual{,
    title = {variability: Genetic Variability Analysis for Plant
      Breeding Research},
    author = {Raj Popat and Rumit Patel and Dinesh Parmar},
    year = {2020},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=variability},
  }