To cite package ‘topcc’ in publications use:

  Nie C (2026). _topcc: Topological Correlation Coefficient_. R package
  version 1.2, <https://CRAN.R-project.org/package=topcc>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {topcc: Topological Correlation Coefficient},
    author = {Chun-Xiao Nie},
    year = {2026},
    note = {R package version 1.2},
    url = {https://CRAN.R-project.org/package=topcc},
  }