To cite package ‘lfa’ in publications use:

  Hao W, Song M, Storey J (2016). “Probabilistic Models of Genetic
  Variation in Structured Populations Applied to Global Human Studies.”
  _Bioinformatics_, *32*(5), 713-21. ISSN 1367-4811,
  doi:10.1093/bioinformatics/btv641
  <https://doi.org/10.1093/bioinformatics/btv641>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Probabilistic Models of Genetic Variation in Structured Populations Applied to Global Human Studies},
    author = {Wei Hao and Minsun Song and John D. Storey},
    journal = {Bioinformatics},
    year = {2016},
    doi = {10.1093/bioinformatics/btv641},
    volume = {32},
    number = {5},
    pages = {713-21},
    issn = {1367-4811},
  }