Wil Doane's system for automatically generating bibliography entries for the R packages you're using

generate_package_citations.R

# Early in the script
pkgs_pre_script <- try(devtools::loaded_packages(), silent = TRUE)
 
 
 
# Late in the script
pkgs_used_during_script <- try(devtools::loaded_packages(), silent = TRUE)
 
cat("* ")
print(citation(), style="text") # or Bibtex or LaTeX
 
if ((class(pkgs_pre_script) != "try-error") &
    (class(pkgs_used_during_script) != "try-error")) {
  for (pkg in dplyr::anti_join(pkgs_used_during_script,
                               pkgs_pre_script,
                               by = "package")$package) {
    cat("* ")
    print(citation(pkg), style="text")
  }
}