To cite package ‘rmarkdown’ in publications use:

  Allaire J, Xie Y, Dervieux C, McPherson J, Luraschi J, Ushey K,
  Atkins A, Wickham H, Cheng J, Chang W, Iannone R (2024). _rmarkdown:
  Dynamic Documents for R_. R package version 2.28.2,
  <https://github.com/rstudio/rmarkdown>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rmarkdown: Dynamic Documents for R},
    author = {JJ Allaire and Yihui Xie and Christophe Dervieux and Jonathan McPherson and Javier Luraschi and Kevin Ushey and Aron Atkins and Hadley Wickham and Joe Cheng and Winston Chang and Richard Iannone},
    year = {2024},
    note = {R package version 2.28.2},
    url = {https://github.com/rstudio/rmarkdown},
  }

  Xie Y, Allaire J, Grolemund G (2018). _R Markdown: The Definitive
  Guide_. Chapman and Hall/CRC, Boca Raton, Florida. ISBN
  9781138359338, <https://bookdown.org/yihui/rmarkdown>.

A BibTeX entry for LaTeX users is

  @Book{,
    title = {R Markdown: The Definitive Guide},
    author = {Yihui Xie and J.J. Allaire and Garrett Grolemund},
    publisher = {Chapman and Hall/CRC},
    address = {Boca Raton, Florida},
    year = {2018},
    isbn = {9781138359338},
    url = {https://bookdown.org/yihui/rmarkdown},
  }

  Xie Y, Dervieux C, Riederer E (2020). _R Markdown Cookbook_. Chapman
  and Hall/CRC, Boca Raton, Florida. ISBN 9780367563837,
  <https://bookdown.org/yihui/rmarkdown-cookbook>.

A BibTeX entry for LaTeX users is

  @Book{,
    title = {R Markdown Cookbook},
    author = {Yihui Xie and Christophe Dervieux and Emily Riederer},
    publisher = {Chapman and Hall/CRC},
    address = {Boca Raton, Florida},
    year = {2020},
    isbn = {9780367563837},
    url = {https://bookdown.org/yihui/rmarkdown-cookbook},
  }