To cite package ‘RcppArray’ in publications use:

  Clayden J, Eddelbuettel D (2023). _RcppArray: 'Rcpp' Meets 'C++'
  Arrays_. R package version 0.3.0,
  <https://github.com/jonclayden/rcpparray>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {RcppArray: 'Rcpp' Meets 'C++' Arrays},
    author = {Jon Clayden and Dirk Eddelbuettel},
    year = {2023},
    note = {R package version 0.3.0},
    url = {https://github.com/jonclayden/rcpparray},
  }