To cite package ‘correlation’ in publications use:

  Makowski, D., Wiernik, B. M., Patil, I., Lüdecke, D., & Ben-Shachar,
  M. S. (2022). correlation: Methods for correlation analysis (0.8.3)
  [R package]. https://CRAN.R-project.org/package=correlation (Original
  work published 2020)

A BibTeX entry for LaTeX users is

  @Misc{correlationPackage,
    title = {{{correlation}}: Methods for Correlation Analysis},
    shorttitle = {{{correlation}}},
    author = {Dominique Makowski and Brenton M. Wiernik and Indrajeet Patil and Daniel Lüdecke and Mattan S. Ben-Shachar},
    year = {2022},
    month = {oct},
    note = {Version 0.8.3},
    url = {https://CRAN.R-project.org/package=correlation},
  }

  Makowski, D., Ben-Shachar, M. S., Patil, I., & Lüdecke, D. (2019).
  Methods and algorithms for correlation analysis in R. Journal of Open
  Source Software, 5(51), 2306. https://doi.org/10.21105/joss.02306

A BibTeX entry for LaTeX users is

  @Article{correlationArticle,
    title = {Methods and Algorithms for Correlation Analysis in {{R}}},
    author = {Dominique Makowski and Mattan S. Ben-Shachar and Indrajeet Patil and Daniel Lüdecke},
    doi = {10.21105/joss.02306},
    year = {2020},
    journal = {Journal of Open Source Software},
    number = {51},
    volume = {5},
    pages = {2306},
    url = {https://joss.theoj.org/papers/10.21105/joss.02306},
  }