To cite package ‘MultiEFM’ in publications use:

  Zhang R, Liu W (2026). _MultiEFM: Robust Estimation for Multi-Study
  Elliptical Factor Model_. R package version 0.1.2,
  <https://github.com/rruihan-zhang/multiefm>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {MultiEFM: Robust Estimation for Multi-Study Elliptical Factor Model},
    author = {Ruihan Zhang and Wei Liu},
    year = {2026},
    note = {R package version 0.1.2},
    url = {https://github.com/rruihan-zhang/multiefm},
  }