To cite package ‘contingency’ in publications use:

Evans R (2024). contingency: Discrete Multivariate Probability Distributions. R package version 0.1.0, https://github.com/rje42/contingency.

Corresponding BibTeX entry:

  @Manual{,
    title = {contingency: Discrete Multivariate Probability
      Distributions},
    author = {Robin Evans},
    year = {2024},
    note = {R package version 0.1.0},
    url = {https://github.com/rje42/contingency},
  }