To cite package ‘glmulti’ in publications use:

  Calcagno V (2020). _glmulti: Model Selection and Multimodel Inference
  Made Easy_. R package version 1.0.8,
  <https://CRAN.R-project.org/package=glmulti>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {glmulti: Model Selection and Multimodel Inference Made Easy},
    author = {Vincent Calcagno},
    year = {2020},
    note = {R package version 1.0.8},
    url = {https://CRAN.R-project.org/package=glmulti},
  }