To cite package ‘npANCOVA’ in publications use:

  Jahangiri M, Taghavi Rad A, Kazemnejad A (2025). _npANCOVA:
  Nonparametric ANCOVA Methods_. R package version 0.1.1,
  <https://github.com/minajahangiri/npancova>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {npANCOVA: Nonparametric ANCOVA Methods},
    author = {Mina Jahangiri and Ali {Taghavi Rad} and Anoshirvan Kazemnejad},
    year = {2025},
    note = {R package version 0.1.1},
    url = {https://github.com/minajahangiri/npancova},
  }