To cite RStudio in publications, you can get the latest citation information by running the command RStudio.Version() in a recent version of RStudio IDE. For your reference, that information is printed below --
To cite RStudio in publications use:
Posit team (2025). RStudio: Integrated Development Environment for R.
Posit Software, PBC, Boston, MA. URL http://www.posit.co/.
A BibTeX entry for LaTeX users is
@Manual{,
title = {RStudio: Integrated Development Environment for R},
author = {{Posit team}},
organization = {Posit Software, PBC},
address = {Boston, MA},
year = {2025},
url = {http://www.posit.co/},
}