To cite graph4lg in publications use:

Savary, P., Foltête, J.C., Moal, H., Vuidel, G. et Garnier, S. 2020. graph4lg: a package for constructing and analysing graphs for landscape genetics in R. Methods in Ecology and Evolution, 00(1), 1-9. URL https://besjournals.onlinelibrary.wiley.com/doi/abs/10.1111/2041-210X.13530

Corresponding BibTeX entry:

  @Article{,
    title = {{graph4lg}: a package for constructing and analysing
      graphs for landscape genetics in R},
    author = {Paul Savary and Jean-Christophe Foltête and Hervé Moal
      and Gilles Vuidel and Stéphane Garnier},
    journal = {Methods in Ecology and Evolution},
    year = {2020},
    volume = {00},
    number = {1},
    pages = {1--9},
    url =
      {https://besjournals.onlinelibrary.wiley.com/doi/abs/10.1111/2041-210X.13530},
  }