To cite package ‘xlcutter’ in publications use:

  Gruson H (2024). _xlcutter: Parse Batches of 'xlsx' Files Based on a
  Template_. R package version 0.1.1.9000, ,
  <https://github.com/bisaloo/xlcutter>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {xlcutter: Parse Batches of 'xlsx' Files Based on a Template},
    author = {Hugo Gruson},
    year = {2024},
    note = {R package version 0.1.1.9000, 
},
    url = {https://github.com/bisaloo/xlcutter},
  }