To cite BioFTF in publications, please use:

  Di Battista T, Fortuna F, Maturo F (2017). “BioFTF: An R package for
  biodiversity assessment with the functional data analysis approach.”
  _Ecological Indicators_, *73*, 726-732.
  doi:10.1016/j.ecolind.2016.10.032
  <https://doi.org/10.1016/j.ecolind.2016.10.032>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {BioFTF: An R package for biodiversity assessment with the functional data analysis approach},
    author = {Tonio {Di Battista} and Francesca Fortuna and Fabrizio Maturo},
    journal = {Ecological Indicators},
    year = {2017},
    volume = {73},
    pages = {726--732},
    doi = {10.1016/j.ecolind.2016.10.032},
  }

  Maturo F, Di Battista T (2018). “A functional approach to Hill's
  numbers for assessing changes in species variety of ecological
  communities over time.” _Ecological Indicators_, *84*, 70-81.
  doi:10.1016/j.ecolind.2017.08.016
  <https://doi.org/10.1016/j.ecolind.2017.08.016>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {A functional approach to Hill's numbers for assessing changes in species variety of ecological communities over time},
    author = {Fabrizio Maturo and Tonio {Di Battista}},
    journal = {Ecological Indicators},
    year = {2018},
    volume = {84},
    pages = {70--81},
    doi = {10.1016/j.ecolind.2017.08.016},
  }

  Maturo F (2018). “Unsupervised classification of ecological
  communities ranked according to their biodiversity patterns via a
  functional principal component decomposition of Hill's numbers
  integral functions.” _Ecological Indicators_, *90*, 305-315.
  doi:10.1016/j.ecolind.2018.03.013
  <https://doi.org/10.1016/j.ecolind.2018.03.013>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Unsupervised classification of ecological communities ranked according to their biodiversity patterns via a functional principal component decomposition of Hill's numbers integral functions},
    author = {Fabrizio Maturo},
    journal = {Ecological Indicators},
    year = {2018},
    volume = {90},
    pages = {305--315},
    doi = {10.1016/j.ecolind.2018.03.013},
  }