To cite package ‘ecoval’ in publications use:

Schuwirth N, Reichert P (2025). ecoval: Procedures for Ecological Assessment of Surface Waters. R package version 1.2.10, https://CRAN.R-project.org/package=ecoval.

Corresponding BibTeX entry:

  @Manual{,
    title = {ecoval: Procedures for Ecological Assessment of Surface
      Waters},
    author = {Nele Schuwirth and Peter Reichert},
    year = {2025},
    note = {R package version 1.2.10},
    url = {https://CRAN.R-project.org/package=ecoval},
  }