To cite package ‘APIS’ in publications use:

  Roche J, Griot R, Besson M, Allal F, Vandeputte M, D'Ambrosio J,
  Morvezen R, Phocas F, Brard-Fudulea S, Haffray P (2024). _APIS:
  Auto-Adaptive Parentage Inference Software Tolerant to Missing
  Parents_. R package version 2.0.8,
  <https://CRAN.R-project.org/package=APIS>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {APIS: Auto-Adaptive Parentage Inference Software Tolerant to Missing
Parents},
    author = {Julien Roche and Ronan Griot and Mathieu Besson and François Allal and Marc Vandeputte and Jonathan D'Ambrosio and Romain Morvezen and Florence Phocas and Sophie Brard-Fudulea and Pierrick Haffray},
    year = {2024},
    note = {R package version 2.0.8},
    url = {https://CRAN.R-project.org/package=APIS},
  }