Please cite 'future' and the future framework using the following references: Henrik Bengtsson, A Unifying Framework for Parallel and Distributed Processing in R using Futures, The R Journal (2021) 13:2, pages 208-227, doi:10.32614/RJ-2021-048 A BibTeX entry for LaTeX users is @Article{RJ-2021-048, author = {Henrik Bengtsson}, title = {A Unifying Framework for Parallel and Distributed Processing in R using Futures}, year = {2021}, journal = {The R Journal}, doi = {10.32614/RJ-2021-048}, url = {https://doi.org/10.32614/RJ-2021-048}, pages = {208--227}, volume = {13}, number = {2}, }