To cite the DID-INT paper, please use: Karim S, Webb M (2025). “Good Controls Gone Bad: Difference-in-Differences with Covariates.” _arXiv preprint arXiv:2412.14447_. . A BibTeX entry for LaTeX users is @Article{, title = {Good Controls Gone Bad: Difference-in-Differences with Covariates}, author = {Sunny Karim and Matthew D. Webb}, year = {2025}, journal = {arXiv preprint arXiv:2412.14447}, url = {https://arxiv.org/abs/2412.14447}, } If you are using randomization inference p-values, please also cite: MacKinnon J, Webb M (2020). “Randomization inference for difference-in-differences with few treated clusters.” _Journal of Econometrics_, *218*(2), 435-450. . A BibTeX entry for LaTeX users is @Article{, title = {Randomization inference for difference-in-differences with few treated clusters}, author = {James G. MacKinnon and Matthew D. Webb}, year = {2020}, journal = {Journal of Econometrics}, volume = {218}, number = {2}, pages = {435-450}, url = {https://doi.org/10.1016/j.jeconom.2020.04.024}, } To cite the didintrjl software package: Jamieson E (2026). “didintrjl: Intersection difference-in-differences in R.” R package version 0.2.6, . A BibTeX entry for LaTeX users is @Misc{, title = {didintrjl: Intersection difference-in-differences in R}, author = {Eric Jamieson}, year = {2026}, note = {R package version 0.2.6}, url = {https://github.com/ebjamieson97/didintrjl}, }