To cite package ‘joinXL’ in publications use:

Glanville Y (2016). joinXL: Perform Joins or Minus Queries on 'Excel' Files. R package version 1.0.1, https://CRAN.R-project.org/package=joinXL.

Corresponding BibTeX entry:

  @Manual{,
    title = {joinXL: Perform Joins or Minus Queries on 'Excel' Files},
    author = {Yvonne Glanville},
    year = {2016},
    note = {R package version 1.0.1},
    url = {https://CRAN.R-project.org/package=joinXL},
  }