Journal Version:

@article{sun2018geometric,
  title={A geometric analysis of phase retrieval},
  author={Sun, Ju and Qu, Qing and Wright, John},
  journal={Foundations of Computational Mathematics},
  volume={18},
  number={5},
  pages={1131--1198},
  year={2018},
  publisher={Springer}
}

Conference Version:

@inproceedings{sun2016geometric,
  title={A geometric analysis of phase retrieval},
  author={Sun, Ju and Qu, Qing and Wright, John},
  booktitle={2016 IEEE International Symposium on Information Theory (ISIT)},
  pages={2379--2383},
  year={2016},
  organization={IEEE}
}