To cite kmer in publications use:

Wilkinson SP (2018) kmer: an R package for fast alignment-free clustering of biological sequences. R package version 1.0.0. https://cran.r-project.org/package=kmer

Corresponding BibTeX entry:

  @Manual{,
    title = {kmer: an R package for fast alignment-free clustering of
      biological sequences},
    author = {Shaun Wilkinson},
    url = {https://cran.r-project.org/package=kmer},
    year = {2018},
    doi = {10.5281/zenodo.1227690},
  }