 Citation  **BibTeX:**  ```bibtex @article{2020t5,   author  = {Colin Raffel and Noam Shazeer and Adam Roberts and Katherine Lee and Sharan Narang and Michael Matena and Yanqi Zhou and Wei Li and Peter J. Liu},   title   = {Exploring the Limits of Transfer Learning with a Unified Text-to-Text Transformer},   journal = {Journal of Machine Learning Research},   year    = {2020},   volume  = {21},   number  = {140},   pages   = {1-67},   url     = {http://jmlr.org/papers/v21/20-074.html} } ```  **APA:** - Raffel, C., Shazeer, N., Roberts, A., Lee, K., Narang, S., Matena, M., ... & Liu, P. J. (2020). Exploring the limits of transfer learning with a unified text-to-text transformer. J. Mach. Learn. Res., 21(140), 1-67.  