To cite package ‘SMITIDstruct’ in publications use:

  Rey J (2019). _SMITIDstruct: Data Structure and Manipulations Tool
  for Host and Viral Population_. R package version 0.0.5,
  <https://CRAN.R-project.org/package=SMITIDstruct>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {SMITIDstruct: Data Structure and Manipulations Tool for Host and Viral
Population},
    author = {Jean-Francois Rey},
    year = {2019},
    note = {R package version 0.0.5},
    url = {https://CRAN.R-project.org/package=SMITIDstruct},
  }