To cite package ‘emf’ in publications use:

  He Y, Yang R, Mao L (2026). _emf: Ecosystem Multifunctionality:
  Richness, Divergence, and Regularity_. R package version 0.2.0,
  <https://CRAN.R-project.org/package=emf>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {emf: Ecosystem Multifunctionality: Richness, Divergence, and
Regularity},
    author = {Yan He and Rui Yang and Lingfeng Mao},
    year = {2026},
    note = {R package version 0.2.0},
    url = {https://CRAN.R-project.org/package=emf},
  }