To cite the BivKLD package, use both the package and method references:

  Singla S, Chackochan R (2026). _BivKLD: Bivariate Kullback-Leibler
  Divergence_. R package version 0.1.0.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {BivKLD: Bivariate Kullback-Leibler Divergence},
    author = {Saurav Singla and Rafflesia Chackochan},
    year = {2026},
    note = {R package version 0.1.0},
  }

  Chackochan R, Sankaran P, Unnikrishnan Nair N (2026). “Bivariate
  Kullback-Leibler Divergence.” _Communications in Statistics - Theory
  and Methods_, *55*(1), 292-312. doi:10.1080/03610926.2025.2496687
  <https://doi.org/10.1080/03610926.2025.2496687>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Bivariate Kullback-Leibler Divergence},
    author = {Rafflesia Chackochan and P. G. Sankaran and N. {Unnikrishnan Nair}},
    journal = {Communications in Statistics - Theory and Methods},
    year = {2026},
    volume = {55},
    number = {1},
    pages = {292--312},
    doi = {10.1080/03610926.2025.2496687},
  }