To cite package ‘xlsx2dfs’ in publications use:

Kim G (2021). xlsx2dfs: Read and Write 'Excel' Sheets into and from List of Data Frames. R package version 0.1.0, https://github.com/gwangjinkim/xlsx2dfs.

Corresponding BibTeX entry:

  @Manual{,
    title = {xlsx2dfs: Read and Write 'Excel' Sheets into and from List
      of Data Frames},
    author = {Gwang-Jin Kim},
    year = {2021},
    note = {R package version 0.1.0},
    url = {https://github.com/gwangjinkim/xlsx2dfs},
  }