APA   Click to copy
Peters, M. E., Ammar, W., Bhagavatula, C., & Power, R. (2017). Semi-supervised sequence tagging with bidirectional language models. In ACL (Vol. 1).

Chicago/Turabian   Click to copy
Peters, Matthew E., Waleed Ammar, Chandra Bhagavatula, and Russell Power. “Semi-Supervised Sequence Tagging with Bidirectional Language Models.” In ACL. Vol. 1, 2017.

MLA   Click to copy
Peters, Matthew E., et al. “Semi-Supervised Sequence Tagging with Bidirectional Language Models.” ACL, vol. 1, 2017.

@inproceedings{matthew2017a,
  title = {Semi-supervised sequence tagging with bidirectional language models},
  year = {2017},
  journal = {ACL},
  volume = {1},
  author = {Peters, Matthew E. and Ammar, Waleed and Bhagavatula, Chandra and Power, Russell}
}