To cite package ‘ZTRecur’ in publications use:

  Chen A, Hu X, Xiong Y, Rosychuk R (2026). _ZTRecur: Analysis for
  Zero-Truncated Recurrent Event Data_. R package version 0.2.1,
  <https://CRAN.R-project.org/package=ZTRecur>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ZTRecur: Analysis for Zero-Truncated Recurrent Event Data},
    author = {Anqi A. Chen and X. Joan Hu and Yi Xiong and Rhonda J. Rosychuk},
    year = {2026},
    note = {R package version 0.2.1},
    url = {https://CRAN.R-project.org/package=ZTRecur},
  }