To cite package ‘BEACH’ in publications use:

  Danni Yu, Michael Man (2019). _BEACH: Biometric Exploratory Analysis
  Creation House_. R package version 1.3.1, ,
  <https://CRAN.R-project.org/package=BEACH>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {BEACH: Biometric Exploratory Analysis Creation House},
    author = {{Danni Yu} and {Michael Man}},
    year = {2019},
    note = {R package version 1.3.1, 
},
    url = {https://CRAN.R-project.org/package=BEACH},
  }