To cite reporttools in publications use:

Rufibach K (2009). “reporttools: R Functions to Generate LaTeX Tables of Descriptive Statistics.” Journal of Statistical Software, Code Snippets, 31(1). doi:10.18637/jss.v031.c01, https://www.jstatsoft.org/v31/c01/.

Corresponding BibTeX entry:

  @Article{,
    title = {{reporttools}: {R} Functions to Generate {\LaTeX} Tables
      of Descriptive Statistics},
    author = {Kaspar Rufibach},
    journal = {Journal of Statistical Software, Code Snippets},
    year = {2009},
    volume = {31},
    number = {1},
    url = {https://www.jstatsoft.org/v31/c01/},
    doi = {10.18637/jss.v031.c01},
  }