To cite AGHmatrix in publications use:

  Amadeu, R. R., Garcia, A. A. F., Munoz, P. R., and Ferrão, L. F. V.
  (2023) AGHmatrix: genetic relationship matrices in R. Bioinformatics,
  39(7), btad445. doi:10.1093/bioinformatics/btad445

A BibTeX entry for LaTeX users is

  @Article{,
    title = {AGHmatrix: genetic relationship matrices in R},
    author = {Rodrigo {R Amadeu} and Antonio Augusto {Franco Garcia} and Patricio Munoz and Luis Felipe {V Ferrao}},
    journal = {Bioinformatics},
    volume = {39},
    number = {7},
    year = {2023},
  }