APA   Click to copy
Bommasani, R., Hudson, D. A., ..., Demszky, D., ..., & Liang, P. (2021). On the Opportunities and Risks of Foundation Models. ArXiv Preprint ArXiv:2108.07258.

Chicago/Turabian   Click to copy
Bommasani, Rishi, Drew A Hudson, ..., Dorottya Demszky, ..., and Percy Liang. “On the Opportunities and Risks of Foundation Models.” arXiv preprint arXiv:2108.07258 (July 2021).

MLA   Click to copy
Bommasani, Rishi, et al. “On the Opportunities and Risks of Foundation Models.” ArXiv Preprint ArXiv:2108.07258, July 2021.

@article{bommasani2021a,
  title = {On the Opportunities and Risks of Foundation Models},
  year = {2021},
  month = jul,
  journal = {arXiv preprint arXiv:2108.07258},
  author = {Bommasani, Rishi and Hudson, Drew A and ... and Demszky, Dorottya and ... and Liang, Percy},
  month_numeric = {7}
}