To cite RNentropy in publications use:

  Zambelli F, Mastropasqua F, Picardi E, D'Erchia AM, Pesole G, Pavesi
  G (2018). “RNentropy: an entropy-based tool for the detection of
  significant variation of gene expression across multiple RNA-Seq
  experiments.” _Nucleic Acids Research_, *46*(8), e46.
  doi:10.1093/nar/gky055 <https://doi.org/10.1093/nar/gky055>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {{RNentropy}: an entropy-based tool for the detection of significant variation of gene expression across multiple {RNA-Seq} experiments},
    author = {Federico Zambelli and Francesca Mastropasqua and Ernesto Picardi and Anna Maria D'Erchia and Graziano Pesole and Giulio Pavesi},
    journal = {Nucleic Acids Research},
    year = {2018},
    volume = {46},
    number = {8},
    pages = {e46},
    doi = {10.1093/nar/gky055},
  }

  Zambelli F, Pavesi G (2021). “Using RNentropy to Detect Significant
  Variation in Gene Expression Across Multiple RNA-Seq or Single-Cell
  RNA-Seq Samples.” In _RNA Bioinformatics_, volume 2284 series Methods
  in Molecular Biology, 77-96. Springer US.
  doi:10.1007/978-1-0716-1307-8_6
  <https://doi.org/10.1007/978-1-0716-1307-8_6>.

A BibTeX entry for LaTeX users is

  @InCollection{,
    title = {Using {RNentropy} to Detect Significant Variation in Gene Expression Across Multiple {RNA-Seq} or Single-Cell {RNA-Seq} Samples},
    author = {Federico Zambelli and Giulio Pavesi},
    booktitle = {{RNA} Bioinformatics},
    series = {Methods in Molecular Biology},
    volume = {2284},
    pages = {77--96},
    publisher = {Springer US},
    year = {2021},
    doi = {10.1007/978-1-0716-1307-8_6},
  }