APA   Click to copy
Verma, R. M., & Lee, D. (2017). Extractive Summarization: Limits, Compression, Generalized Model and Heuristics. Computaci{\'{o}}n y Sistemas, 21.

Chicago/Turabian   Click to copy
Verma, Rakesh M., and Daniel Lee. “Extractive Summarization: Limits, Compression, Generalized Model and Heuristics.” Computaci{\'{o}}n y Sistemas 21 (2017).

MLA   Click to copy
Verma, Rakesh M., and Daniel Lee. “Extractive Summarization: Limits, Compression, Generalized Model and Heuristics.” Computaci{\'{o}}n y Sistemas, vol. 21, 2017.

@article{verma2017a,
  title = {Extractive Summarization: Limits, Compression, Generalized Model and Heuristics},
  year = {2017},
  journal = {Computaci{\'{o}}n y Sistemas},
  volume = {21},
  author = {Verma, Rakesh M. and Lee, Daniel}
}