To cite package ‘aisoph’ in publications use:

  Chung Y (2023). _aisoph: Additive Isotonic Proportional Hazards
  Model_. R package version 0.4,
  <https://CRAN.R-project.org/package=aisoph>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {aisoph: Additive Isotonic Proportional Hazards Model},
    author = {Yunro Chung},
    year = {2023},
    note = {R package version 0.4},
    url = {https://CRAN.R-project.org/package=aisoph},
  }