To cite package ‘robustrcp’ in publications use:

  Obulezi O (2026). _robustrcp: Outlier-Robust Ratio-cum-Product
  Estimators of Finite Population Mean_. R package version 0.1.0,
  <https://CRAN.R-project.org/package=robustrcp>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {robustrcp: Outlier-Robust Ratio-cum-Product Estimators of Finite Population
Mean},
    author = {Okechukwu J. Obulezi},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=robustrcp},
  }