To cite package ‘XNomial’ in publications use:

Engels B (2024). XNomial: Exact Goodness-of-Fit Test for Multinomial Data with Fixed Probabilities. R package version 1.0.4.1, https://CRAN.R-project.org/package=XNomial.

Corresponding BibTeX entry:

  @Manual{,
    title = {XNomial: Exact Goodness-of-Fit Test for Multinomial Data
      with Fixed Probabilities},
    author = {Bill Engels},
    year = {2024},
    note = {R package version 1.0.4.1},
    url = {https://CRAN.R-project.org/package=XNomial},
  }