To cite iNEXT.3D in publications use:

Chao, A., Henderson, P. A., Chiu, C.-H., Moyes, F., Hu, K.-H., Dornelas, M. and Magurran, A. E. (2021). Measuring temporal change in alpha diversity: a framework integrating taxonomic, phylogenetic and functional diversity and the iNEXT.3D standardization. Methods in Ecology and Evolution, 12, 1926-1940.

Corresponding BibTeX entry:

  @Article{,
    title = {Measuring temporal change in alpha diversity: A framework
      integrating taxonomic, phylogenetic and functional diversity and
      the iNEXT.3D standardization.},
    author = {{Anne Chao} and {Peter A. Henderson} and {Chun-Huo Chiu}
      and {Faye Moyes} and {Kai-Hsiang Hu} and {Maria Dornelas} and
      {Anne E. Magurran}},
    journal = {Methods in Ecology and Evolution},
    year = {2021},
    month = {10},
    volume = {12},
    pages = {1926-1940},
    doi = {10.1111/2041-210X.13682},
  }