To cite package ‘cfTools’ in publications use:

  Hu R, Stackpole ML, Li S, Zhou XJ, Li W (2024). _cfTools: Informatics
  Tools for Cell-Free DNA Study_. R package version 1.5.0,
  <https://bioconductor.org/packages/cfTools>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {cfTools: Informatics Tools for Cell-Free DNA Study},
    author = {Ran Hu and Mary Louisa Stackpole and Shuo Li and Xianghong Jasmine Zhou and Wenyuan Li},
    year = {2024},
    note = {R package version 1.5.0},
    url = {https://bioconductor.org/packages/cfTools},
  }