To cite package ‘tcv’ in publications use:

  Wang Z, Peng H, Xu P (2025). _tcv: Determining the Number of Factors
  in Poisson Factor Models via Thinning Cross-Validation_. R package
  version 0.1.0, <https://CRAN.R-project.org/package=tcv>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {tcv: Determining the Number of Factors in Poisson Factor Models via
Thinning Cross-Validation},
    author = {Zhijing Wang and Heng Peng and Peirong Xu},
    year = {2025},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=tcv},
  }