To cite package ‘ConvergeR’ in publications use:

  de Boissier P (????). “ConvergeR : Whitfield Convergence Score and
  Seurat Metadata Association.” In preparation.

A BibTeX entry for LaTeX users is

  @Unpublished{,
    title = {ConvergeR : Whitfield Convergence Score and Seurat Metadata Association},
    author = {Paul {de Boissier}},
    note = {In preparation},
  }