To cite package ‘fANCOVA’ in publications use:

  Wang X (2020). _fANCOVA: Nonparametric Analysis of Covariance_. R
  package version 0.6-1, <https://CRAN.R-project.org/package=fANCOVA>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fANCOVA: Nonparametric Analysis of Covariance},
    author = {Xiaofeng Wang},
    year = {2020},
    note = {R package version 0.6-1},
    url = {https://CRAN.R-project.org/package=fANCOVA},
  }