To cite zscorer in publications use:

Mark Myatt and Ernest Guevarra (2019). zscorer: An Anthropometric z-score Calculator. R package version 0.3.1. URL https://nutriverse.io/zscorer/

Corresponding BibTeX entry:

  @Manual{,
    title = {zscorer: An Anthropometric z-score Calculator},
    author = {{Mark Myatt} and {Ernest Guevarra}},
    year = {2019},
    note = {R package version 0.3.1},
    url = {https://nutriverse.io/zscorer/},
  }